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csm_d4b- _ n_ds_e_ 5 _1 1 safety limit switch d4b- @ n snap-action contact with certified direct opening operation certification . maintenance, seal, and resistance to shock increased and direct opening mechanism added. three-conduit switches and 2nc switches are also available. ? direct opening mechanism (nc contacts only) added to enable opening contacts when faults occur, such as fused contacts. ? safety of lever settings ensured using a mechanism that engages a gear between the oper ating position indicator plate and the lever. ? equipped with a mechanism that indicates the applicable operating zone, as well as push-button switching to control left and right motion. ? head seal structure strengthened to improve seal properties (tv: iec ip67, ul: nema 3, 4, 4x, 6p, and 13). ? wide standard operating temperature range: ?40 to 80 c (standard type). ? models with gold-plated contacts added to the series to enable handling microloads. ? certified standards: ul, csa, en (tv), and ccc. model number structure model number legend 1. conduit size 1: pg13.5 (1-conduit) 2: g1/2 (pf1/2) (1-conduit) 3: 1/2-14npt (1-conduit) 4: m20 (1 conduit) 5: pg13.5 (3-conduit) 6: g1/2 (pf1/2) (3-conduit) 7: 1/2-14npt (3-conduit) 8: m20 (3-conduit) 2. built-in switch 1: 1nc/1no (snap-action) 3: 1nc/1no (snap-action) gold-plated contacts 5: 1nc/1no (slow-action) * 6: 1nc/1no (slow-action ) gold-plated contacts * a: 2nc (slow-action) b: 2nc (slow-action) gold-plated contacts * excluding d4b- @@ 81n and d4b- @@ 87n models. 3. actuator 00: switch box (without head) 11: roller lever (resin roller) 15: roller lever (stainless steel roller) 1r:roller lever (conventional d4b-compatible) 16: adjustable roller lever 17: adjustable rod lever 70: top plunger 71: top roller plunger 81: coil spring 87: plastic rod note: contact your sales representative for details on models with safety standard certification. be sure to read the ?safety precautions? on page 14 and the ?precautions for all safety limit switches? . 1 2 3 d4b- @@@@ n
2 d4b- @ n ordering information set model numbers consult with your omron represent ative when ordering any models that are not listed in this table. safety limit switches (with direct opening mechanism) actuator conduit openings 1nc/1no (snap-action) 1nc/1no (slow-action) 2nc (slow-action) model direct opening model direct opening model direct opening roller lever (resin roller) pg13.5 d4b-1111n d4b-1511n d4b-1a11n g1/2 (pf1/2) d4b-2111n d4b-2511n d4b-2a11n 1/2-14npt d4b-3111n d4b-3511n d4b-3a11n m20 d4b-4111n d4b-4511n d4b-4a11n pg13.5 (3-conduit) d4b-5111n d4b-5511n d4b-5a11n g1/2 (3-conduit) d4b-6111n d4b-6511n d4b-6a11n 1/2-14npt (3-conduit) d4b-7111n d4b-7511n d4b-7a11n m20 (3-conduit) d4b-8111n d4b-8511n d4b-8a11n roller lever (stainless steel roller) pg13.5 d4b-1115n d4b-1515n d4b-1a15n g1/2 (pf1/2) d4b-2115n d4b-2515n d4b-2a15n 1/2-14npt d4b-3115n d4b-3515n d4b-3a15n m20 d4b-4115n d4b-4515n d4b-4a15n pg13.5 (3-conduit) d4b-5115n d4b-5515n d4b-5a15n top plunger pg13.5 d4b-1170n d4b-1570n d4b-1a70n g1/2 (pf1/2) d4b-2170n d4b-2570n d4b-2a70n 1/2-14npt d4b-3170n d4b-3570n d4b-3a70n m20 d4b-4170n d4b-4570n d4b-4a70n pg13.5 (3-conduit) d4b-5170n d4b-5570n d4b-5a70n g1/2 (3-conduit) d4b-6170n d4b-6570n d4b-6a70n 1/2-14npt (3-conduit) d4b-7170n d4b-7570n d4b-7a70n m20 (3-conduit) d4b-8170n d4b-8570n d4b-8a70n top roller plunger pg13.5 d4b-1171n d4b-1571n d4b-1a71n g1/2 (pf1/2) d4b-2171n d4b-2571n d4b-2a71n 1/2-14npt d4b-3171n d4b-3571n d4b-3a71n m20 d4b-4171n d4b-4571n d4b-4a71n pg13.5 (3-conduit) d4b-5171n d4b-5571n d4b-5a71n g1/2 (3-conduit) d4b-6171n d4b-6571n d4b-6a71n 1/2-14npt (3-conduit) d4b-7171n d4b-7571n d4b-7a71n m20 (3-conduit) d4b-8171n d4b-8571n d4b-8a71n
3 d4b- @ n general-purpose limit switches note: 1. in addition to the above models, models compatible with the prev ious d4b switches (with standard rotary levers) are available. model number examples: d4b-1 @ 1rn(pg13.5) or d4b-2 @ 1rn(pf1/2) 2. consult your omron repr esentative for products. actuator conduit openings 1nc/1no (snap-action) 1nc/1no (slow-action) 2nc (slow-action) model direct opening model direct opening model direct opening adjustable roller lever pg13.5 d4b-1116n --- d4b-1516n --- d4b-1a16n --- g1/2 (pf1/2) d4b-2116n d4b-2516n d4b-2a16n 1/2-14npt d4b-3116n d4b-3516n d4b-3a16n pg13.5 (3-conduit) d4b-5116n d4b-5516n d4b-5a16n g1/2 (3-conduit) d4b-6116n d4b-6516n d4b-6a16n 1/2-14npt (3-conduit) d4b-7116n d4b-7516n d4b-7a16n adjustable rod lever pg13.5 d4b-1117n --- d4b-1517n --- d4b-1a17n --- g1/2 (pf1/2) d4b-2117n d4b-2517n d4b-2a17n 1/2-14npt d4b-3117n d4b-3517n d4b-3a17n pg13.5 (3-conduit) d4b-5117n d4b-5517n d4b-5a17n g1/2 (3-conduit) d4b-6117n d4b-6517n d4b-6a17n 1/2-14npt (3-conduit) d4b-7117n d4b-7517n d4b-7a17n coil spring (non-directional) pg13.5 d4b-1181n --- --- d4b-1a81n --- g1/2 (pf1/2) d4b-2181n d4b-2a81n 1/2-14npt d4b-3181n d4b-3a81n pg13.5 (3-conduit) d4b-5181n d4b-5a81n g1/2 (3-conduit) d4b-6181n d4b-6a81n 1/2-14npt (3-conduit) d4b-7181n d4b-7a81n plastic rod (non-directional) pg13.5 d4b-1187n --- d4b-1a87n --- g1/2 (pf1/2) d4b-2187n d4b-2a87n 1/2-14npt d4b-3187n d4b-3a87n pg13.5 (3-conduit) d4b-5187n d4b-5a87n g1/2 (3-conduit) d4b-6187n d4b-6a87n 1/2-14npt (3-conduit) d4b-7187n d4b-7a87n
d4b- @ n 4 replacement parts switch boxes operating heads * the lever is not included with t he side rotary operating head. levers note: other types of lever are also available. conduit 1-conduit type 3-conduit type built-in switch pg13.5 g1/2 1/2-14npt pg13.5 g1/2 1/2-14npt d4b-1100n d4b-2100n d4b-3100n d4b-5100n d4b-6100n d4b-7100n d4b-1500n d4b-2500n d4b-3500n d4b-5500n d4b-6500n d4b-7500n d4b-1a00n d4b-2a00n d4b-3a00n d4b-5a00n d4b-6a00n d4b-7a00n actuator type model side rotary * standard d4b-0010n top plunger plain d4b-0070n top roller plunger d4b-0071n flexible-rod coil spring d4b-0081n plastic rod d4b-0087n actuator length (mm) diameter of roller model standard 31.5 17.5 dia. d4b-0001n stainless steel roller lever 31.5 17.5 dia. d4b-0005n adjustable roller lever 25 to 89 19 dia. d4b-0006n adjustable rod lever 145 max. --- d4b-0007n interchangeable with d4b-0001 33.7 19 dia. d4b-000rn 1nc/1no (snap-action) 1nc/1no (slow-action) 2nc (slow-action)
5 d4b- @ n specifications standards and ec directives conforms to the follo wing ec directives: ? machinery directive ? low voltage directive ? en1088 ? en50041 certified standards snap-action models * adjustable roller lever, adjustable rod lever, coil spring, and plastic rod models only. slow-action models * adjustable roller lever, adjustable ro d lever, coil spring, and plastic rod models only. certified standard ratings tv (en60947-5-1), ccc (gb14048.5) note: as protection against short- circuiting, use either a gi -type or gg -type 10 a fuse that conforms to iec60269. ul/csa: (ul508, csa c22.2 no. 14) a600 certification body standard file no. tv rheinland en60947-5-1 (certified direct opening mechanism) gs-et-15 en60947-5-1 (uncertified direct opening mechanism) j50005477 * ul ul508 e76675 csa c22.2 no. 14 lr45746 cqc (ccc) gb14048.5 2003010305077612 j9851083 certification body standard file no. tv rheinland en60947-5-1 (certified direct opening mechanism) gs-et-15 en60947-5-1 (uncertified direct opening mechanism) j50005477 * ul ul508 e76675 csa c22.2 no. 14 lr45746 cqc (ccc) gb14048.5 2003010305077612 j9851083 item utilization category ac-15 rated operating current (i e ) 2 a rated operating voltage (u e ) 400 v rated voltage carry current current (a) volt-amperes (va) make break make break 120 vac 240 vac 480 vac 600 vac 10 a 60 30 15 12 6 3 1.5 1.2 7,200 720
6 d4b- @ n ratings note: 1. the above values are continuous currents. 2. inductive loads have a power factor of 0.4 or higher (ac) or a time constant of 7 ms or lower (dc). 3. lamp loads have a inrush current of 10 times the normal current. 4. motor loads have a inrush current of 6 times the normal current. characteristics note: 1. the above values are initial values. 2. the above values may vary depending on the model. consul t your omron sales repr esentative for details. *1. the degree of protection is tested using the method specified by the standard (en60947-5-1). confir m that sealing properties ar e sufficient for the operating conditions and environment beforehand. *2. the durability is for an ambient temperature of 5 to 35 c and ambient humidity of 40% to 70%. for further conditions, consult your omron sales representative. *3. ?20 to 80 c for the flexible-rod type. *4. the above values may vary depending on switching frequency, environment al condition, and relativity level, consult your omron s ales representative. rated voltage (v) non-inductive load (a) inductive load (a) resistive load lamp load inductive load motor load nc no nc no nc no nc no 125 vac 250 400 10 10 10 3 2 1.5 1.5 1 0.8 10 10 3 5 3 1.5 2.5 1.5 0.8 8 vdc 14 30 125 250 10 10 6 0.8 0.4 6 6 4 0.2 0.1 3 3 3 0.2 0.1 10 10 6 0.8 0.4 6 6 4 0.2 0.1 inrush current 30 a max. degree of protection * 1 ip67 (en60947-5-1) durability * 2 mechanical 30,000,000 operations min. (snap-action) 10,000,000 operations min. (slow-action) electrical 500,000 operations min. (10 a resistive load at 250 vac) operating speed 1 mm/s to 0.5 m/s operating frequency mechanical 120 operations/minute electrical 30 operations/minute contact resistance 25 m max. minimum applicable load * 4 general load 180 ma resistive load at 5 vac gold-clad contact 20 ma resistive load at 5 vac (n-level reference value) rated insulation voltage (u i ) 600 v (en60947-5-1) rated frequency 50/60 hz protection against electric shock class i (with ground terminal) pollution degree (operating environment) 3 (en60947-5-1) impulse withstand voltage (en60947-5-1) between terminals of same polarity 2.5 kv (snap-action)/4 kv (slow-action) between terminals of different polarity 4 kv (slow-action) between each terminal and ground 4 kv insulation resistance 100 m min. (at 500 vdc) between terminals of the same polarity and between each terminal and non-cu rrent-carrying part contact gap 2 2 mm min. (slow-action) 2 0.5 mm min. (snap-action) vibration resistance malfunction 10 to 55 hz, 0.75 mm single amplitude shock resistance destruction 1,000 m/s 2 min. malfunction 300 m/s 2 min. conditional short-circuit current 100 a (en60947-5-1) conventional enclosed thermal current (i the ) 20 a (en60947-5-1) ambient operating temperature ?40 to 80 c (with no icing) * 3 ambient operating humidity 95% max. weight approx. 250 g
7 d4b- @ n engineering data electrical durability (snap-action) (ambient temperature: 5 to 30c, ambient humidity: 40 to 70%) structure and nomenclature structure 250 vac 125 vac 1,000 1,000 500 500 300 300 100 100 50 50 30 30 10 10 480 vac 250 vac 500 vac (cos = 1) (cos = 0.4) operations (x 10 4 ) operations (x 10 4 ) switching c u rrent (a) switching c u rrent (a) operating freq u encies: 30 times/min., cos = 1 operating freq u encies: 30 times/min., cos = 0.4 the operatin g position indicator plate size box p g 13.5 g1/2 1/2-14npt note: nbr is u sed for r ubb er parts. 1-conduit model 2-conduit model head conduit openin g roller ground screw gro u nd screws are provided on all models for increased safety. lever (form lock structure) seal rin g can b e connected in any of fo u r directions (except for roller pl u nger models, which can b e connected at either of 2 directions that differ b y 90) the roller lever switch employs a system which allows selection of operation on only one side (left or right) or b oth sides witho u t the u se of any tools. models are availa b le with a wide range of cond u its. nylon rollers u sed for s u perior resistance to wear. the lever has an operating position indication plate and grooves that mate every 90 to prevent slipping b etween the rotary axis and lever. built-in switch direct opening mechanism u sed for nc contact to separate contact for fa u lts, s u ch as contact welding. the heights of the nc and no terminals are different to ena b le easier wiring. cover sealing properties improved b y u sing a x ring and b earing-free str u ct u re. yes yes yes yes yes yes
8 d4b- @ n direct opening mechanism 1no/1nc contact (snap-action) conforms to en60947-5-1 direct opening (onl y nc contact has a direct opening mechanism.) 1nc/1no contact (slow-action) 2nc contact (slow-action) contact form note: terminal numbers are according to en50013; c ontact symbols are according to iec60947-5-1. a b 1. when contact welding occurs. 2. when contacts are being pulled apart. movable contact plunger safety cam fixed contact (nc) movable contact blade safety cam directly pushes up the movable contact blade. 3. when contacts are completely pulled apart. contact spring return spring fixed contact (nc) movable contact plunger conforms to en60947-5-1 direct opening (only nc contact has a direct opening mechanism.) when contact welding occurs, the contacts are separated from each other by the plunger being pushed in. fixed contact (no) cont a ct s pring ret u rn s pring fixed cont a ct (nc) mov ab le cont a ct pl u nger conform s to en60947-5-1 direct opening (both nc cont a ct s h a ve a direct opening mech a ni s m.) when cont a ct welding occ u r s , the cont a ct s a re s ep a r a ted from e a ch other b y the pl u nger b eing p us hed in. model contact contact form diagrams explanation d4b- @ 1 @ n 1nc/1no (snap-action) d4b- @ 5 @ n 1nc/1no (slow-action) d4b- @ a @ n 2nc (slow-action) 13 14 11 12 za 11-12 13-14 stroke on only nc contact 11-12 has a certified direct opening mechanism. terminal numbers 11-12 and 13-14 cannot be used as unlike poles. 11 23 12 24 zb 11-12 23-24 stroke on only nc contact 11-12 has a certified direct opening mechanism. terminal numbers 11-12 or 23-24 can be used as unlike poles. 11 21 12 22 zb 11-12 21-22 stroke on both nc contacts 11-12 and 21-22 have a certified direct opening mechanism. terminal numbers 11-12 and 21-22 can be used as unlike poles.
9 d4b- @ n dimensions and operating characteristics (unit: mm) note: omitted dimensions are the same as those for the roller lever type models d4b-1 @@@ n and d4b-5 @@@ n have a pg13.5 conduit opening. d4b-2 @@@ n and d4b-6 @@@ n have a g1/2 conduit opening. d4b-3 @@@ n and d4b-7 @@@ n have a 1/2-14npt conduit opening. switches 1-conduit models note: unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. *1. the lever can be set to any desired position by turning the operating position indicator. *2. in terms of construction, the switch is a general-pur pose limit switch rather than a safety limit switch. note: variation occurs in the simult aneity of contact opening/closing operations of 2nc contac ts. check contact operation. *1. the operating characteristics of these switches were measured with the roller level set at 31.5 mm. *2. the operating characteristics of these switches were measured with the rod level set at 140 mm. *3. only for slow-action models. *4. only for snap-action models. *5. reference values. *6. must be provided to ensure safe operation. model operating characteristics d4b- @@ 11n d4b- @@ 15n d4b- @@ 16n * 1 d4b- @@ 17n * 2 operating force release force pretravel overtravel movement differential direct opening travel direct opening force total travel of max. rf min. pt pt (2nd) * 3 * 5 ot min. md max. * 4 dot min. * 3 * 6 * 4 * 6 dof min. * 6 tt * 5 9.41n 1.47n 213 (45) 50 12 35 55 19.61n (75) 9.41n 1.47n 213 (45) 50 12 35 55 19.61n (75) 9.41n 1.47n 213 (45) 50 12 35 55 19.61n (75) 2.12n 0.29n 213 (45) 50 12 35 55 19.61n (75) cond u it opening 5.3 7.3 56 16 131.3 1.2 23 8 28.3 22.5 99.5 77 74 15 31.5 43 11.5 31.5r 30 0.2 62 1 pt 21 3 60 0.2 40 +1 0 17.5 dia. 6.6 resin roller co v er m5 12 allen-head b olt set position indicator plate * 1 t w o, 5.3-dia. mo u nting holes t w o, m4 12 co v er mo u nting scre w s fo u r, m3.5 19.5 head mo u nting scre w s roller lever d4b- @@ 11n 15 99.5 74 22.5 40 +1 0 30 0.2 131.3 1.2 60 0.2 23 pt 21 3 31.5r 11.5 8 5.3 7.3 t w o, 5.3 dia. mo u nting holes co v er set position indicator plate * 1 m5 12 allen-head b olt 17.5 7 stainless steel roller fo u r, m3.5 19.5 head mo u nt ing scre w s cond u it opening t w o, m4 12 co v er mo u nt ing scre w s 43 31.5 77 62 1 56 16 28.3 roller lever (stainless steel roller) d4b- @@ 15n 1 2 3 23 8 5.3 7.3 set position indicator plate * 1 43 15 31.5 99.5 77 74 22.5 53 46.8 16 28.3 60 0.2 64.4 71 1 cond u it opening 30 0.2 40 +1 0 25 to 89r co v er 19 dia. 7 resin roller m5 16 allen-head b olts t w o, 5.3-dia. mo u nting holes t w o, m4 12 co v er mo u nting scre w s fo u r, m3.5 24.5 head mo u nting scre w s adjustable roller lever * 2 d4b- @@ 16n 23 5.4 8 5.3 7.3 43 15 31.5 99.5 77 74 22.5 56.8 16 28.3 setting position indicator * 1 60 0.2 30 0.2 66 1 cond u it opening 40 +1 0 145 max. co v er 3 dia. 160 stainless steel rod m5 12 allen-head b olts t w o, 5.3-dia. mo u nting holes t w o, m4 12 co v er mo u nt ing scre w s fo u r, m3.5 24.5 head mo u nt ing scre w s adjustable rod lever * 2 d4b- @@ 17n
10 d4b- @ n note: unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. note: unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. *1. be sure to adjust the dog to within 40 mm from the top end of the coil spring. *2. in terms of construction, the switch is a general-pur pose limit switch rather than a safety limit switch. operating characteristics model d4b- @@ 70n d4b- @@ 71n operating force release force pretravel overtravel movement differential direct opening travel direct opening force total travel of max. rf min. pt max. pt (2nd) * 1 * 3 ot min. md max. * 2 dot min. * 4 dof min. * 4 tt * 3 1 8 .63 n 1.96 n 2 mm (3 mm) 5 mm 1 mm 3.2 mm 49.03 n (7 mm) 1 8 .63 n 1.96 n 2 mm (3 mm) 5 mm 1 mm 3.2 mm 49.03n (7 mm) note: variation occurs in the simultaneity of contact opening/closing operations of 2nc contacts. check contact operation. *1. only for slow-action models. *2. only for snap-action models. *3. reference values. *4. must be provided to ensure safe operation. free position operating position fp max. op 3 8 mm 351 mm 51 mm 4 8 1 mm operating characteristics model d4b- @@ 81n d4b- @@ 87n note: variation occurs in the simultaneity of contact opening/closing operations of 2nc contacts. check contact operation. operating force pretravel of max. pt max. 1.47 n 15 1.47 n 15 op pt 8 5.3 7.3 43 15 31.5 97 77 74 16 20 60 0.2 30 0.2 conduit opening 40 +1 0 9.2 dia. cover stainless steel plunger two, 5.3-dia. mounting holes two, m4 12 cover mounting screws four, m3.5 19.5 head mounting screws top plunger d4b- @@ 70n top roller plunger d4b- @@ 71n op pt 8 5.3 7.3 43 15 31.5 97 77 74 20 16 60 0.2 30 0.2 conduit opening 40 +1 0 9.2 dia. cover 12.7 dia. 4.8 stainless steel roller two, 5.3-dia. mounting holes two, m4 12 cover mounting screws four, m3.5 19.5 head mounting screws coil spring (non-directional) * 2 d4b- @@ 81n 29.1 8 5.3 7.3 43 15 31.5 77 2.7 74 16 15.7 203.5 1.2 60 0.2 30 0.2 cond u it opening 40 +1 0 18.2 dia. seal cap stainless steel coil spring 6.6 dia. co v er (40) * 1 fo u r, m3.5 7 mo u nting scre w s t w o, 5.3-dia. mo u nting holes t w o, m4 12 co v er mo u nting scre w s the s w itch can b e act u ated in any direction except to the axis center. plastic rod (non-directional) * 2 d4b- @@ 87n 29.1 8 5.3 7.3 43 15 31.5 77 2.7 74 16 15.7 203.5 1.2 60 0.2 30 0.2 cond u it opening 40 +1 0 18.2 dia. (40) * 1 6.6 dia. plastic rod seal cap co v er fo u r, m3.5 7 head mo u nting scre w s t w o, 5.3-dia. mo u nting holes t w o, m4 12 co v er mo u nting scre w s the s w itch can b e act u ated in any direction except to the axis center.
d4b- @ n 11 3-conduit switches note: unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. *1. the lever can be set to any desired position by turning the operating position indicator. *2. in terms of construction, the switch is a general-pur pose limit switch rather than a safety limit switch. note: variation occurs in the simultaneity of contact opening/cl osing operations of 2nc cont acts. check c ontact operation. *1. the operating characteristics of these switches were measured with the roller level set at 31.5 mm. *2. the operating characteristics of these switches were measured with the rod level set at 140 mm. *3. only for slow-action models. *4. only for snap-action models. *5. reference values. *6. must be provided to ensure safe operation. model operating characteristics d4b- @@ 11n d4b- @@ 15n d4b- @@ 16n * 1 d4b- @@ 17n * 2 operating force release force pretravel overtravel movement differential direct opening travel direct opening force total travel of max. rf min. pt pt (2nd) * 3 * 5 ot min. md max. * 4 dot min. * 3 * 6 * 4 * 6 dof min. * 6 tt * 5 9.41 n 1.47 n 213 (45) 50 12 35 55 19.61 n (75) 9.41 n 1.47 n 213 (45) 50 12 35 55 19.61 n (75) 9.41 n 1.47 n 213 (45) 50 12 35 55 19.61 n (75) 2.12 n 0.29 n 213 (45) 50 12 35 55 19.61 n (75) 17.5 dia. x 6.6 resin roller t w o, caps 3-cond u it opening co v er t w o, 5 +0.15 0 -dia. holes (depth: 6) 40 to 42 roller lever d4b- @@ 11n m5 x 12 allen-head b olt operating position indicator * 1 six, 5.3-dia. mo u nting holes fo u r, m3.5 x 10 co v er mo u nting scre w s fo u r, m3.5 x 24.5 head mo u nting scre w s 31.5r 27 0.2 28.5 30 0.2 40 to 42 66.4 50.9 5.3 23 pt 21 3 31.5r 11.5 six, 5.3 dia. mo u nting holes co v er m5 12 allen-head b olt 17.5 dia. 7 stainless steel roller fo u r, m3.5 24.5 head mo u nting scre w s 3-cond u it opening fo u r, m3.5 10 co v er mo u nting scre w s t w o, caps 17.2 38.8 35.7 97.9 75.4 71.4 59.3 0.2 18 22.5 62 1 56 1 16 28.3 1 operating position indicator * 1 63 57 51 t w o, 5 +0.15 0 -dia. holes (depth: 6) roller lever d4b- @@ 15n 129.7 1.2 66.4 adjustable roller lever * 2 d4b- @@ 16n 19 dia. x 7 resin roller t w o, caps co v er 3-cond u it opening 25 to 89r 40 to 42 t w o, 5 +0.15 0 -dia. holes (depth: 6) operating position indicator * 1 m5 x 16 allen-head b olts six, 5.3-dia. mo u nting holes fo u r, m3.5 x 10 co v er mo u nting scre w s fo u r, m3.5 x 24.5 head mo u nting scre w s adjustable rod lever * 2 d4b- @@ 17n 145 max. co v er 3-cond u it opening 40 to 42 t w o, 5 +0.15 0 -dia. holes (depth: 6) 3 dia. x 160 stainless steel rod operating position indicator * 1 m5 x 12 allen-head b olts six, 5.3-dia. mo u nting holes fo u r, m3.5 x 10 co v er mo u nting scre w s fo u r, m3.5 x 24.5 head mo u nting scre w s t w o, caps
12 d4b- @ n note: unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. note: unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. *1. be sure to adjust the dog to within 40 mm from the top end of the coil spring. *2. in terms of construction, the switch is a general-pur pose limit switch rather than a safety limit switch. operating characteristics model d4b- @@ 70n d4b- @@ 71n operating force release force pretravel overtravel movement differential direct opening travel direct opening force total travel of max. rf min. pt max. pt (2nd) * 1 * 3 ot min. md max. * 2 dot min. * 4 dof min. * 4 tt * 3 18.63 n 1.96 n 2 mm (3 mm) 5 mm 1 mm 3.2 mm 49.03 n (7 mm) 18.63 n 1.96 n 2 mm (3 mm) 5 mm 1 mm 3.2 mm 49.03n (7 mm) note: variation occurs in the simultaneity of contact opening/closing operations of 2nc contacts. check contact operation. *1. only for slow-action models. *2. only for snap-action models. *3. reference values. *4. must be provided to ensure safe operation. free position operating position fp max. op 38 mm 351 mm 51 mm 481 mm operating characteristics model d4b- @@ 81n d4b- @@ 87n operating force pretravel of max. pt max. 1.47 n 15 1.47 n 15 note: variation occurs in the simultaneity of contact opening/closing operations of 2nc contacts. check contact operation. top plun g er d4b- @@ 70n six, 5.3-dia. mo u nting holes fo u r, m3.5 x 10 co v er mo u nting scre w s t w o, caps 9.2 dia. co v er 3-cond u it opening 40 to 42 stainless steel pl u nger fo u r, m3.5 x 19.5 head mo u nting scre w s t w o, 5 +0.15 0 -dia. holes (depth: 6) top roller plun g er d4b- @@ 71n t w o, caps 9.2 dia. co v er 3-cond u it opening 40 to 42 t w o, 5 +0.15 0 -dia. holes (depth: 6) 12.7 dia. x 4. 8 stainless steel roller six, 5.3-dia. mo u nting scre w s fo u r, m3.5 x 10 co v er mo u nting scre w s fo u r, m3.5 x 19.5 head mo u nting scre w s 95.4 coil sprin g * 2 d4b- @@ 8 1n 1 8 .2 dia. 40 to 42 stainless steel coil spring seal cap t w o, caps 6.6 dia. co v er 3-cond u it opening (40) * 1 t w o, 5 +0.15 0 -dia. holes (depth: 6) the s w itch can b e act u ated to all directions except to the axis center fo u r, m3.5 x 7 head mo u nting scre w s six, 5.3-dia. mo u nting holes fo u r, m3.5 x 10 co v er mo u nting scre w s plastic rod * 2 d4b- @@ 8 7n plastic rod 1 8 .2 dia. 40 to 42 seal cap t w o, caps 6.6 dia. co v er 3-cond u it opening (40) * 1 t w o, 5 +0.15 0 -dia. holes (depth: 6) the s w itch can b e act u ated to all directions except to the axis center. fo u r, m3.5 x 7 head mo u nting scre w s six, 5.3-dia. mo u nting holes fo u r, m3.5 x 10 co v er mo u nting scre w s 201.91.2
13 d4b- @ n levers (applicable for roller lever models only) note: 1. unless otherwise specified, a tolerance of 0.4 mm applies to all dimensions. 2. safety limit switch specificat ions are satisfied with d4b- @@@@ n levers only (example: d4b-0001n). the d4b-0006n adjustable roller lever and d4b-0007n adjustable r od lever, however, cannot be used. do not order them for a side rotary operating head. 17.5 dia. x 6.8 nylon roller 7.3 dia. m5 hexagon socket head screw 6.4 adjusting scale 19 dia. x 7 nylon roller m5 hexagon socket head screw adjustable range (25 to 89) d4b-0001n roller lever d4b-0005n roller lever (stainless steel roller) d4b-0006n adjustable roller lever 15 11.5 17.5 dia. 7 stainless steel roller 12 17 31.5r 160 5.4 21.6 12.5 28 17 11 stainless rod 145 max. 3 dia. m5 hexagon socket head screw d4b-0007n adjustable rod lever 63 0.3 79.8 16 roller lever wl-1a300 17.5 dia. 7 stainless steel roller 7.3 +0.1 dia. 0 note: reverse the indicator plate when mounting. 12 33.7 18 17.8 12 40.2 0.8 23.6 38 54.8 16 note: reverse the indicator plate when mounting. 11.4 d4b-000rn wl-1a118 19 dia. x 7 nylon roller 7.3 dia. m5 hexagon socket head screw roller lever (compatible with previous d4b model) roller lever 17.5 dia. 30 nylon roller 7.3 +0.1 dia. 0 m5 hexagon socket head screw (length: 12) m5 hexagon socket head screw (length: 12) 20.1 0.8 11.5 roller lever wl-1a106 50 dia. 6 nylon roller m5 hexagon socket head screw 7.3 dia. note: reverse the indicator plate when mounting. m5 hexagon socket head screw (length: 12) 17.9 12.6 11.4 38 54.3 16 16.9 12.1 11.5 roller lever wl-1a400 17 dia. 6 bearing roller 7.3 dia. m5 hexagon socket head screw note: reverse the indicator plate when mounting. 5.5 13.4 12.8 400 2 8.0 0.4 611 65 2 9 150 10 60 10 (23.6) 611 7.5 7.5 13.8 5.5 33 25 max. adjustable rod lever wl-3a100 spring rod lever wl-4a201 resin loop lever d4a-f00 note: reverse the indicator plate when mounting. note: reverse the indicator plate when mounting. note: reverse the indicator plate when mounting. 25.5 max. 7.3 dia. adjustable range (350 to 380) 3.2 dia. stainless steel operation rod m5 16 hexagon socket head screw m5 hexagon socket head screw 2 dia. stainless steel spring adjustable range (290 max.) 13 dia. 7.3 dia. m5 hexagon socket head screws m5 hexagon socket head screw 4 dia. nylon 31.5 15 17 11.8 11.5 97 15.9 20 26 20.2 12.8 3.2 38r ---
14 d4b- @ n application precaution safety precautions refer to the ?precautions for all switches? and ?precautions for all safety limit switches?. ? do not use the switch submerged in oil or water, or in locations continuously subject to splashes of oil or water. doing so may result in oil or water entering the switch interior. (the ip67 degree of protection specification for the switch refers to water penetration while the switch is submersed in water for a specified period of time.) ? always attach the cover after completing wiring and before using the switch. also, do not turn on the switch with the cover open. doing so may result in electric shock. appropriate tightening torque * apply a tightening torque of 0.78 to 0.88 nm to three-conduit models. mounting use four m5 screws with washers to mount the standard model. be sure to apply the proper torque to tighten each screw. the 3-conduit models can be mounted more securely by using the four screws plus two 5 mm diameter studs, each of which has a maximum height of 4.8 mm as shown below. mounting dimensions (m5) changes in actuator mounting position ? to change the angle of the lever, loosen the allen-head bolts on the side of the lever. ? the operating position indicator plate * has protruding parts which engage with the lever, thus allowing changes to the lever position by 90 . ? the back of the operating position indicator plate * has no protruding parts. if this plate is turned over and attached, any angle within a 360 range can be set. do not turn over the plate, however, when using the d4b- @ n as a switch with a certified direct opening mechanism. for an suva- or bia-ce rtified application, make sure that the lever engages with the oper ating position indicator plate securely so that the lever will not slip. * the operating position indicator plate: refer to page 7. changes in head mounting position by removing the screws on the four corners of the head, the head can be reset in any of four directions. make sure that no foreign materials will penetrate through the head. changing the operating direction switches with roller levers the operating direction of the lever can be easily changed without using any tools. it can be set to clockwise operation (cw) or counterclockwise (ccw) operation. use the procedure given at the right to change the operating direction. operating section (on back of head) operating procedure 1. remove the four head set screws and remove the head from the switch box. 2. turn the bottom of the head toward you, press in the head cover shown in the diagram at the left, and turn the cover clockwise or c ounterclockwise. note: the factory setting is for ?cw.ccw.? 3. the ?cw? setting is for clockwise operation and the ?ccw? setting is for counterclockwise operation. set the cover to the desired position. head co v er operating position mark (arro w ) precautions for safe use precautions for correct use type appropriate tightening torque 1 m3.5 terminal screw 0.59 to 0.78 nm 2 cover mounting screw * 1.18 to 1.37 nm 3 head mounting screw 0.78 to 0.88 nm 4 m5 body mounting screw 4.90 to 5.88 nm 5 connector 1.77 to 2.16 nm 6 lever mounting screws (roller levers) 4.90 to 5.88 nm --- cap screw (for three-conduit models) 1.27 to 1.67 nm be s u re to tighten each scre w of the d4b- @ n properly, other w ise the d4b- @ n may malf u nction. (1) (2) (5) (3) (4) (6) ? 0.05 ? 0.15 30 60 59.3 0.1 30 40 42 27 0.1 5 ? 0.05 dia. height: 5 max. ? 0.15 standard model 3-conduit model st u ds
15 d4b- @ n wiring do not connect the bare lead wires directly to the terminals but be sure to connect each of them by using an insulation tube and m3.5 round crimp terminals and tighten eac h terminal screw within the specified torque range. the proper lead wire is 20 to 14 awg (0.5 to 2.5 mm 2 ) in size. make sure that all crimp terminals come into contact with the casing or cover as shown below, otherwise the cover may not be mounted properly or the d4b- @ n may malfunction. conduit opening ? make sure that each connector is tightened within the specified torque range. the casing may be damaged if the connector is tightened excessively. ? if the 1/2-14npt is used, cover the cable and conduit end with sealing tape in order to ensure ip67. ? the pg13.5 connector must be nippon flex?s abs-08 pg13.5 or abs-12 pg13.5. ? use an omron sc-series connector (sold separately) that is suited to the cable in diameter. ? properly attach the provided c onduit cap to the unused conduit opening and securely tighten the cap screw within the specified torque when wiring the d4b- @ n. others ? the load for the actuator (roller) of the switch must be imposed on the actuator in the horizontal dire ction, otherwise the actuator or the rotating axis may be deformed or damaged. ? when using a long lever model like the d4b- @@ 16n or d4b- @@ 17n, the switch may telegraph. to avoid telegraphing, take the following precautions. 1. set the lever to operate in one direction. 2. modify the rear end of the dog to an angle of 15 to 30 as shown below or to a secondary-degree curve. 3. modify the circuit so as not to detect the wrong operating signals. ordering method d dia. dz dia. dz dia.: 3.7 mm d dia.: 4.5 mm b: 7.0 mm l: 20.2 mm f: 7.7 mm l: 9.0 mm casing cover terminal screw crimp terminal terminal screw casing terminal screw cover crimp terminal correct correct incorrect incorrect crimp terminal crimp terminal crimp terminal correct incorrect dog dog correct incorrect 30 15 30 individ ua l model n u m b er s s et model n u m b er s witch box he a d lever * ex a mple: d4b-2111n d4b-2100n d4b-0010n d4b-0001n * roller lever s only. + + + + the d4b- @ n uses a block mounting method. switches can be ordered either as sets or as individual parts. if a set is ordered, the switch will be shipped with all parts assembled. note: for switches with roller levers, do not order just the head and lever, or just the switch box and lever.
r e a d a n d u n d e r s t a n d t h i s c a t a l o g p l e a s e r e a d a n d u n d e r s t a n d t h i s c a t a l o g b e f o r e p u r c h a s i n g t h e p r o d u c t s . p l e a s e c o n s u l t y o u r o m r o n r e p r e s e n t a t i v e i f y o u h a v e a n y q u e s t i o n s o r c o m m e n t s . w a r r a n t y a n d l i m i t a t i o n s o f l i a b i l i t y w a r r a n t y o m r o n ' s e x c l u s i v e w a r r a n t y i s t h a t t h e p r o d u c t s a r e f r e e f r o m d e f e c t s i n m a t e r i a l s a n d w o r k m a n s h i p f o r a p e r i o d o f o n e y e a r ( o r o t h e r p e r i o d i f s p e c i f i e d ) f r o m d a t e o f s a l e b y o m r o n . o m r o n m a k e s n o w a r r a n t y o r r e p r e s e n t a t i o n , e x p r e s s o r i m p l i e d , r e g a r d i n g n o n - i n f r i n g e m e n t , m e r c h a n t a b i l i t y , o r f i t n e s s f o r p a r t i c u l a r p u r p o s e o f t h e p r o d u c t s . a n y b u y e r o r u s e r a c k n o w l e d g e s t h a t t h e b u y e r o r u s e r a l o n e h a s d e t e r m i n e d t h a t t h e p r o d u c t s w i l l s u i t a b l y m e e t t h e r e q u i r e m e n t s o f t h e i r i n t e n d e d u s e . o m r o n d i s c l a i m s a l l o t h e r w a r r a n t i e s , e x p r e s s o r i m p l i e d . l i m i t a t i o n s o f l i a b i l i t y o m r o n s h a l l n o t b e r e s p o n s i b l e f o r s p e c i a l , i n d i r e c t , o r c o n s e q u e n t i a l d a m a g e s , l o s s o f p r o f i t s o r c o m m e r c i a l l o s s i n a n y w a y c o n n e c t e d w i t h t h e p r o d u c t s , w h e t h e r s u c h c l a i m i s b a s e d o n c o n t r a c t , w a r r a n t y , n e g l i g e n c e , o r s t r i c t l i a b i l i t y . i n n o e v e n t s h a l l t h e r e s p o n s i b i l i t y o f o m r o n f o r a n y a c t e x c e e d t h e i n d i v i d u a l p r i c e o f t h e p r o d u c t o n w h i c h l i a b i l i t y i s a s s e r t e d . i n n o e v e n t s h a l l o m r o n b e r e s p o n s i b l e f o r w a r r a n t y , r e p a i r , o r o t h e r c l a i m s r e g a r d i n g t h e p r o d u c t s u n l e s s o m r o n ' s a n a l y s i s c o n f i r m s t h a t t h e p r o d u c t s w e r e p r o p e r l y h a n d l e d , s t o r e d , i n s t a l l e d , a n d m a i n t a i n e d a n d n o t s u b j e c t t o c o n t a m i n a t i o n , a b u s e , m i s u s e , o r i n a p p r o p r i a t e m o d i f i c a t i o n o r r e p a i r . a p p l i c a t i o n c o n s i d e r a t i o n s s u i t a b i l i t y f o r u s e o m r o n s h a l l n o t b e r e s p o n s i b l e f o r c o n f o r m i t y w i t h a n y s t a n d a r d s , c o d e s , o r r e g u l a t i o n s t h a t a p p l y t o t h e c o m b i n a t i o n o f p r o d u c t s i n t h e c u s t o m e r ' s a p p l i c a t i o n o r u s e o f t h e p r o d u c t s . a t t h e c u s t o m e r ' s r e q u e s t , o m r o n w i l l p r o v i d e a p p l i c a b l e t h i r d p a r t y c e r t i f i c a t i o n d o c u m e n t s i d e n t i f y i n g r a t i n g s a n d l i m i t a t i o n s o f u s e t h a t a p p l y t o t h e p r o d u c t s . t h i s i n f o r m a t i o n b y i t s e l f i s n o t s u f f i c i e n t f o r a c o m p l e t e d e t e r m i n a t i o n o f t h e s u i t a b i l i t y o f t h e p r o d u c t s i n c o m b i n a t i o n w i t h t h e e n d p r o d u c t , machin e , s y s t e m , o r o t h e r a p p l i c a t i o n o r u s e . t h e f o l l o w i n g a r e s o m e e x a m p l e s o f a p p l i c a t i o n s f o r w h i c h p a r t i c u l a r a t t e n t i o n m u s t b e g i v e n . t h i s i s n o t i n t e n d e d t o b e a n e x h a u s t i v e l i s t o f a l l p o s s i b l e u s e s o f t h e p r o d u c t s , n o r i s i t i n t e n d e d t o i m p l y t h a t t h e u s e s l i s t e d m a y b e s u i t a b l e f o r t h e p r o d u c t s : o u t d o o r u s e , u s e s i n v o l v i n g p o t e n t i a l c h e m i c a l c o n t a m i n a t i o n o r e l e c t r i c a l i n t e r f e r e n c e , o r c o n d i t i o n s o r u s e s n o t d e s c r i b e d i n t h i s c a t a l o g . n u c l e a r e n e r g y c o n t r o l s y s t e m s , c o m b u s t i o n s y s t e m s , r a i l r o a d s y s t e m s , a v i a t i o n s y s t e m s , m e d i c a l e q u i p m e n t , a m u s e m e n t m a c h i n e s , v e h i c l e s , s a f e t y e q u i p m e n t , a n d i n s t a l l a t i o n s s u b j e c t t o s e p a r a t e i n d u s t r y o r g o v e r n m e n t r e g u l a t i o n s . s y s t e m s , m a c h i n e s , a n d e q u i p m e n t t h a t c o u l d p r e s e n t a r i s k t o l i f e o r p r o p e r t y . p l e a s e k n o w a n d o b s e r v e a l l p r o h i b i t i o n s o f u s e a p p l i c a b l e t o t h e p r o d u c t s . n e v e r u s e t h e p r o d u c t s f o r a n a p p l i c a t i o n i n v o l v i n g s e r i o u s r i s k t o l i f e o r p r o p e r t y w i t h o u t e n s u r i n g t h a t t h e s y s t e m a s a w h o l e h a s b e e n d e s i g n e d t o a d d r e s s t h e r i s k s , a n d t h a t t h e o m r o n p r o d u c t s a r e p r o p e r l y r a t e d a n d i n s t a l l e d f o r t h e i n t e n d e d u s e w i t h i n t h e o v e r a l l e q u i p m e n t o r s y s t e m . p r o g r a m m a b l e p r o d u c t s o m r o n s h a l l n o t b e r e s p o n s i b l e f o r t h e u s e r ' s p r o g r a m m i n g o f a p r o g r a m m a b l e p r o d u c t , o r a n y c o n s e q u e n c e t h e r e o f . d i s c l a i m e r s c h a n g e i n s p e c i f i c a t i o n s p r o d u c t s p e c i f i c a t i o n s a n d a c c e s s o r i e s m a y b e c h a n g e d a t a n y t i m e b a s e d o n i m p r o v e m e n t s a n d o t h e r r e a s o n s . i t i s o u r p r a c t i c e t o c h a n g e m o d e l n u m b e r s w h e n p u b l i s h e d r a t i n g s o r f e a t u r e s a r e c h a n g e d , o r w h e n s i g n i f i c a n t c o n s t r u c t i o n c h a n g e s a r e m a d e . h o w e v e r , s o m e s p e c i f i c a t i o n s o f t h e p r o d u c t s m a y b e c h a n g e d w i t h o u t a n y n o t i c e . w h e n i n d o u b t , s p e c i a l m o d e l n u m b e r s m a y b e a s s i g n e d t o f i x o r e s t a b l i s h k e y s p e c i f i c a t i o n s f o r y o u r a p p l i c a t i o n o n y o u r r e q u e s t . p l e a s e c o n s u l t w i t h y o u r o m r o n r e p r e s e n t a t i v e a t a n y t i m e t o c o n f i r m a c t u a l s p e c i f i c a t i o n s o f p u r c h a s e d p r o d u c t s . d i m e n s i o n s a n d w e i g h t s d i m e n s i o n s a n d w e i g h t s a r e n o m i n a l a n d a r e n o t t o b e u s e d f o r m a n u f a c t u r i n g p u r p o s e s , e v e n w h e n t o l e r a n c e s a r e s h o w n . p e r f o r m a n c e d a t a perfor m a n c e d a t a g i v e n i n t h i s c a t a l o g i s p r o v i d e d a s a g u i d e f o r t h e u s e r i n d e t e r m i n i n g s u i t a b i l i t y a n d d o e s n o t c o n s t i t u t e a w a r r a n t y . i t m a y r e p r e s e n t t h e r e s u l t o f o m r o n ? s t e s t c o n d i t i o n s , a n d t h e u s e r s m u s t c o r r e l a t e i t t o a c t u a l a p p l i c a t i o n r e q u i r e m e n t s . a c t u a l p e r f o r m a n c e i s s u b j e c t t o t h e o m r o n w a r r a n t y a n d l i m i t a t i o n s o f l i a b i l i t y . e r r o r s a n d o m i s s i o n s t h e i n f o r m a t i o n i n t h i s d o c u m e n t h a s b e e n c a r e f u l l y c h e c k e d a n d i s b e l i e v e d t o b e a c c u r a t e ; h o w e v e r , n o r e s p o n s i b i l i t y i s a s s u m e d f o r c l e r i c a l , t y p o g r a p h i c a l , o r p r o o f r e a d i n g e r r o r s , o r o m i s s i o n s . 2 0 1 1 . 3 i n t h e i n t e r e s t o f p r o d u c t i m p r o v e m e n t , s p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e w i t h o u t n o t i c e . o m r o n c o r p o r a t i o n i n d u s t r i a l a u t o m a t i o n c o m p a n y h t t p : / / w w w . i a . o m r o n . c o m / ( c ) c o p y r i g h t o m r o n c o r p o r a t i o n 2 0 1 1 a l l r i g h t r e s e r v e d .

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