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2CPS Series Cable Pull Switch

Description:

The 2CPS Cable Pull Safety Switch provides readily accessible emergency stop over a long, linear distance. It is a cost-effective means of providing this emergency stop signal compared to multiple emergency stop push buttons. (Cable Pull Safety Switches are not, however, to be used as a means of personnel safeguarding. They may be used to prevent further injury or damage to equipment when used for emergency stop signaling.)

The 2CPS Series Cable Pull Safety Switch is designed to provide emergency stop protection for exposed conveyor lines. The internal mechanism latches on both slackened cable (push) and pulled cable. This capability enhances productivity by eliminating nuisance stops due to variations in temperature, stretch of cable over time, and other application variables.

A line in the midpoint of the cable tension window indicates proper cable tension, providing easy and intuitive set-up. The direct acting switch contacts are held closed when the actuating cable is under proper tension and the reset knob is set to RUN. When the actuating cable is pulled, slackened or broken, a cam positively opens the NC (Normally Closed) switch contacts. The snap action, trip operation causes the switch contacts to change state and mechanically latch almost simultaneously when the cable is pulled, slackened or broken. The NC switch contacts remain open until the 2CPS is reset by properly tensioning the cable and manually rotating the reset knob.

When the direct acting switch contacts open, the auxiliary contacts also actuate (open contacts close and closed contacts open). The auxiliary contacts are electrically isolated from the direct acting switch contacts. These NO (Normally Open) contacts may be used for monitoring or signaling.

The 2CPS complies with: Low Voltage Directive 73/23/EEC, as amended by directive 93/68/EEC; Machinery Directive 98/37/EEC only as the directives relate to the components being used in a safety function; IEC/EN60947-1; IEC/EN60947-5-1; IEC/EN60947-5-5.

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Features:

Positive opening operation of normally closed contacts
Choice of 2NC/2NO or 3NC/1NO contact configurations
Maximum cable length in a single direction is 76 m (250 ft) for a combined length of 152 m (500 ft) in dual directions
Choice of three actuator configurations
Removable contact block version available
Large wiring cavity with straight-through wiring
24 Vdc or 120 Vac bright, multi-cluster LED status indicator light available
Gold-plated contacts are standard
Die-cast zinc housing
Optional hardware packs available

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Potential Applications:

Long conveyor systems found in warehouses and distribution centers
Conveyor systems having a high amount of vibration
Conveyor systems that experience wide temperature swings
Long conveyor systems where easy through wiring, or highly visible trip status is required
Perimeter guarding where hosedown conditions are present

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2CPS Series Models Available

Part Number	2CPSA1A1
Description	Dual direction cable (rope pull) switch; Up to 500 foot span; Wide temperature tolerance; Designed to reduce nuisance stops and reduce number of switches required to cover long distances
Features	Cable, Maintained, ½“ NPT Conduit; Hardware packets available separately
Housing Material	Die Cast Zinc
Approvals	UL, CSA, CE, BG
Sealing	IP67, NEMA 1, 4, 12, 14
Electrical	2.8A @ 24VDC; 6A @120VAC
Circuitry	2NC/2NO
Measurements	152.4mm x 152.4mm x 79.8mm
Temperature Range	-25C to 80C

Part Number	2CPSA1A1B
Description	Dual direction cable (rope pull) switch; Up to 500 foot span; Wide temperature tolerance; Designed to reduce nuisance stops and reduce number of switches required to cover long distances
Features	Cable, Maintained, ½“ NPT Conduit 120v indicator light; Hardware packets available separately
Housing Material	Die Cast Zinc
Approvals	UL, CSA, CE, BG
Sealing	IP67, NEMA 1, 4, 12, 15
Electrical	2.8A @ 24VDC; 6A @120VAC
Circuitry	2NC/2NO
Measurements	152.4mm x 152.4mm x 92.9mm
Temperature Range	-25C to 80C

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Additional Downloads

2CPS Single Page Printable Document PDF Document

2CPS Engineering Drawings PDF Document

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