? cts 227 rotary switches ? hill and valley detent ? enclosed diecast detent plate ? low cost ? 30? indexing ? solder lug and printed circuit terminals available ? molded stator prevents solder from flowing into the circuit ? custom switching patterns available ? index or wafers are available separately series 227 technical data sheet 1448c electrical and mechanical specifications indexing double bump spring hill and valley detent with 30indexing for 2 through 12 positions or continuous rotation. voltage and contact rating ul rating: 3/4 amp at 125 vac (shorting type only) special rating: 1/4 amp at 28 vdc (shorting or non shorting) 1 amp at 28 vdc (shorting type only) contact resistance .015 ohm when measured from adjacent terminals stop strength 15 in-lb (17.3kgf-cm). torque as required within a range of 10 in-oz. (720gf-cm) to 60 in-oz. (4.3kg-cm). detent rotational life standard: 25,000 cycles through 12 positions and return at 10 cycles per minute. materials shaft:aluminum or unplated brass at cts option bushing: brass or zinc diecast at cts detent spring: stainless steel detent plate: zinc diecast rotor contacts, stator contacts and terminals:silver plated brass standard stator insulator:glass reinforced thermoset material bushing lengths standard: 3/8"-32 unef-2a thread,1/4" (6.35mm) or 3/8" (9.53mm) long. special lengths: available as required brass locating lugs standard:left side .531" (13.5mm) radius special:right side .531" (13.5mm) radius or no lug shaft trim standard:plain round special:flat, slot, knurl, or mixed (flat with slot) frames machine screw, or staked strut (up to 3 wafers only) lubrication special lubrication is used sufficient for the life of the index assembly under normal hand operation. features ? rohs compliant 1 - 3 ? 2006 c ts c or p ora t i o n. a ll r i gh t s re s e r v e d. i n f o r m a t ion s u b j e c t t o c h a n ge. 9 /30/ 06 cts electronic components www.ctscorp.co m
physical dimensions dimension: mm inc h dimension: mm inc h available terminal styles typical assembled switch detent only 39.95 21.0 17.44 .687 .827 1.573 5.74 .226 (7) 26.98 33.32 1.312 1.062 ?38.76 to outside of terminals 1.526 .116.002 x-style t-style 17.44 36.44 3.7 1.433 .687 .146 38.0 1.496 2.54 .100 (13) p-style y-style 26.2 17.44 22.1 36.6 1.44 1.03 .870 .687 4.46 #4-40 panhead screws 2-clearance holes for 13.49 26.98 15 r15.09 ?1.98 as required hole @ 15 p.c. board mounting hole .531 1.062 .076 .594 u-style .176 4.95 7.09 7.88 .310 .279 .279 2.79 1.28 .110 .050 28.6 1.125 26.98 33.3 1.062 1.312 .531 13.5 3.2 .125 ?6.35 .250 "l" 0.8 .031 "a" 1.55 0.38 .061 .015 0.4 .016 l 10.82 .426 * 6.35 .250 a 10.82/.426 dimension based upon use of one 6.35/.250 space no spacers or spacers of numerous lengths are available to provide pin spacings as req'd * note : 6.35 .250 * 8.07 .318 2 - 3 ? 2006 c ts c or p ora t i o n. a ll r i gh t s re s e r v e d. i n f o r m a t ion s u b j e c t t o c h a n ge. 9 /30/ 06 cts electronic components www.ctscorp.co m 3/8-32 unef 2a thd. ?2.940.05 (2)thr. hole
contact type n C non shorting (break before make) s C shorting (make before break) shaft fms 1/32" increments 20 C .625" (15.9mm) 24 C .750" (19.1mm) 28 C .875" (22.2mm) 32 C 1.000" (25.4mm) poles 01 C 1 pole 10 C 10 poles etc. terminal style t C solder lug x C pc with .688"(7.48mm) height stand off u C pcformed to rear p C x style with .100" (2.54mm) spacing specials n C none e C locating lug right side shaft trim r Cround f Cflatted .375" x .156" (9.55mm x 4.0mm) k Cknurled eia s148(24 teeth) s Csd slot .047" wide x .063" deep (1.2mm x 1.6mm) m C flatted .375 x .218 (9.53mm x 5.54mm) with slot positions 02 C 2 positions 12 C 12 positions, etc. mounting style bushing length: 1/8" increments examples: 2 C .250" (6.35mm) 3 C .375" (9.5mm) o r dering information t 01 02 n 2 20 r n 227 y C pc with .870" (22.1mm) height stand off d C no locating lug 3 - 3 ? 2006 c ts c or p ora t i o n. a ll r i gh t s re s e r v e d. i n f o r m a t ion s u b j e c t t o c h a n ge. 9 /30/ 06 cts electronic components www.ctscorp.co m
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