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Interlock Switches
Non contact Switches
Ferrogard 1, 2, 20 & 21 Specifications
Standards EN954-1, ISO13849-1, IEC/EN60204-1, NFPA79, EN1088, ISO14119, ANSI B11.19, AS4024.1 Cat. 1 Device per EN954-1 Dual channel interlocks suitable for Cat. 3 or 4 systems CE marked for all applicable directives and cULus Safety Auxiliary 12mm (0.47in) 15mm (0.59in) 23mm (0.91in) 26mm (1.02in) 3.0ms 0.5ms 2.1ms 0.3ms 0.7ms 0.7ms 15m 0.65pF 0.2pF 1 x 106 1 x 106 10m
Category
Approvals Reed Contacts Operating Distance - Make Operating Distance - Break Closing Time Dropout Time Bounce Time Initial Contact Resistance Initial Capacitance, Terminal to Terminal Initial Insulation Resistance, Terminal to Terminal Safety Contact Switching Capability
Description
The Ferrogard range of magnetically actuated safety switches offers Non contact reliability together with tolerance to misalignment. They are designed to be installed so that when a guard door is opened, the action of the magnetic actuator being removed from the switch opens the N.C. safety contacts which are intended for the isolation of control power to a machine primary control element. The FRS1, FRS2, FRS20, FRS21 are rectangular housings. Sealed to IP67 (NEMA6P), these Ferrogards are ideal for wet environments. Unlike some magnetic switches the Ferrogards have protected safety contacts to help ensure that they do not fail to danger. In addition, some versions have independent auxiliary signal contacts to indicate the guard condition. All Ferrogards have internal non-resettable overload protection on the safety contact. They should be protected by an external fuse rated as shown in the Specifications table.
AC 250VAC 2A max DC 24VDC 1A max Safety Contact External Fusing AC <1.6A quick blow DC <0.8A quick blow Auxiliary Contact Switching Capability Min Initial Breakdown Voltage Operating Temperature Enclosure Protection Cable FRS 1 FRS 2 FRS 20 FRS 21 Quick Disconnects Case Material Mounting 0.75mm2 (18 AWG) 2 wire Jacket OD 5.6mm (0.22in) 0.50mm2 (20 AWG) 4 wire Jacket OD 6.5mm (0.26in) 0.50mm2 (20 AWG) 4 wire Jacket OD 6.5mm (0.26in) 0.50mm2 (20 AWG) 6 wire Jacket OD 7.5mm (0.3in) M12 x 1, 4 pin or 6 pin Red moulded ABS Plastic Any position M4 mounting security screws included 300VDC, 250VAC, 0.5A including inrush 15VA/10W suitable for AC/DC circuits 600VAC 600VAC -10C to +65C (14 to 149F) IP67 (NEMA6P)
Features
* * * * * Non contact actuation High tolerance to misalignment High switching current (up to 2A AC, 1A DC) Plastic rectangular housing (IP67) Cable or Quick Disconnect (QD) connections
Weight (not including cable) Sensor Actuator FRS 1 35g (0.08lbs) 85g (0.19lbs) FRS 2 40g (0.09lbs) 85g (0.19lbs) FRS 20 43g (0.09lbs) 85g (0.19lbs) FRS 21 43g (0.09lbs) 85g (0.19lbs) Electrical Life Mechanical Life Vibration Shock 1 x 106 at the rated load 10 x 106 7g, 10 to 200Hz 50g
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Interlock Switches
Non contact Switches
Ferrogard 1, 2, 20 & 21 Product Selection
Safety Contact Switching Capability Safety Contacts Auxiliary Contacts Connection 2m Cable 4m Cable None 6m Cable 8m Cable 10m Cable 2m Cable 1 N.C. 4m Cable 6m Cable 1 N.O. 250V AC 2A 8m Cable 10m Cable 15m Cable 20m Cable 4 Pin Micro QD 4m Cable None 4 Pin Micro QD 2m Cable 2 N.C. 1 N.O. 4m Cable 6m Cable 10m Cable 6 Pin Micro QD 1 N.C. 1 N.O. None 24V DC 1A 2 N.C. 1 N.O. 2m Cable 4 Pin Micro QD 4 Pin Micro QD 2m Cable 4m Cable 6m Cable 6 Pin Micro QD Mating cable, 4-pin straight 2m. See page 15-10 for details and additional lengths. Mating cable, 4-pin straight 5m. See page 15-10 for details and additional lengths. Mating cable, 4-pin straight 10m. See page 15-10 for details and additional lengths. Mating cable, 6-pin straight 2m. See page 15-11 for details and additional lengths. Mating cable, 6-pin straight 5m. See page 15-11 for details and additional lengths. Mating cable, 6-pin straight 10m. See page 15-11 for details and additional lengths.
Note: Contacts are described with the guard door closed, that is, actuator in place. Switch is shipped complete with actuator.
Housing Material
Type
Catalogue Number 440N-G02001 440N-G02004
FRS 1
440N-G02022 440N-G02041 440N-G02015 440N-G02002 440N-G02014 440N-G02038
FRS 2
440N-G02033 440N-G02019 440N-G02043 440N-G02040 440N-G02093
ABS Plastic FRS 20
440N-G02085 440N-G02097 440N-G02055 440N-G02061 FRS 21 440N-G02060 440N-G02059 440N-G02098 FRS 2 FRS 20 440N-G02092 440N-G02094 440N-G02090 440N-G02058 440N-G02077 FRS 21 440N-G02083 440N-G02099 889D-F4AC-2 889D-F4AC-5 889D-F4AC-10 889R-F6ACA-2 889R-F6ACA-5 889R-F6ACA-10
Accessories
Description Replacement Actuator Page Number -- Catalogue Number 440N-A02005
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Interlock Switches
Non contact Switches
Ferrogard 1, 2, 20 & 21 Approximate Dimensions--mm (inches)
Dimensions are not intended to be used for installation purposes.
Switch, Cable Version 15-19 (0.59-0.75) 30 (1.18) 4 (0.16) Actuator Switch, QD Version
4 (0.16) 15 (0.59) 13 (0.51)
==
60 (2.36)
76 (2.99)
60 (2.36)
76 (2.99)
5 (0.2)
=
=
5 (0.2)
2 (0.08) 7 (0.28)
60 (2.36)
76 (2.99)
5 (0.2)
2 (0.08)
5 (0.2)
=
=
5 (0.2)
=
2 (0.08)
=
8 (0.31) 30 (1.18)
19.5 (0.77)
=
=
15 (0.59) 8 (0.31) 4 (0.16)
= ==
30 (1.18)
=
5 (0.20)
19.5 (0.77)
==
=
=
19.5 (0.77)
8 (0.31)
15 (0.59)
Typical Wiring Diagrams
FRS 1 Cable Brown Blue Safety N.C. Fuse Externally Cable Brown Safety N.C. Fuse Externally FRS 2 QD Safety N.C. Fuse Externally
Blue Black
Aux. N.O. White
Aux. N.O.
FRS 20 Cable Brown Blue Black White Safety N.C. Fuse Externally QD Safety N.C. Fuse Externally Red Safety N.C. Fuse Externally Safety N.C. Fuse Externally Cable Red & Blue
FRS 21 QD Safety N.C. Fuse Externally
Safety N.C. Fuse Externally Aux N.O. Safety N.C. Fuse Externally
Red & Black Safety N.C. Fuse Externally Red & White Red & Yellow Aux N.O. Green
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Interlock Switches
Non contact Switches
Ferrogard 1, 2, 20 & 21 Application Details
Operating Principle
Encapsulated in the Ferrogard is a unique high power industrial reed, capable of switching up to 15A. The need switch is de-rated by a non resettable overload protection fuse. On presenting the actuator to the switch, the high intensity magnetic field from the actuator causes the contacts to close. On removing the actuator (opening the door), the safety contacts open.
Typical Operating Curve
10 (0.39)
When the actuator is aligned with the switch, the sensing distance is 10mm (0.39.) As the amount of misalignment increases, the sensing distance decreases. Beyond 4mm (0.16), the switch will not actuate in the presence of the actuator.
4 (0.16)
4 (0.16)
Misalignment tolerance on nonferrous materials
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