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Overview

MICRO SWITCH 2CPS Series Cable Pull Safety Switch, Cable, Maintained Both Sides, 2NC/2NO Direct Opening (Switch 2, Left: 1NC/1NO; Switch 2, Right: 1NC/1NO), 1/2 NPT, Gold-plated Contacts, 120 Vac Multi-cluster LED.
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; UL, CE, CSA, SIL 3 capable.

2CPSA1A1B Cable-Pull Switches - Honeywell


Technical Specifications

Product Type Cable Pull Safety Switch
Actuator Cable, Maintained Both Sides
Switch Type 2NC/2NO Direct Opening (Switch 1, Left: 1NC/1NO; Switch 2, Right: 1NC/1NO)
Contact Material Gold-plated
Cable Length N/A
Termination Type 1/2 NPT
Ampere Rating 10 uA to 50 mA Low Energy
Voltage 250 Vac and 60 Vdc max.
Housing Material Zinc Die-Cast
Series Name 2CPS
Shock 15 G
Vibration 10 Hz to 500 Hz, 5 G
Sealing IP67; NEMA 1, 4, 12, 13
CSA File # LR57326
UL File # E37138, E157416
Agency Approvals and Standards UL, CE, CSA, SIL 3 capable
Expected Mechanical Life 1 Million
Operating Temperature -40 °C to 85 °C [-40 °F to 185 °F]
Availability Global
UNSPSC Code 39122205
UNSPSC Commodity 39122205 Safety Switches
Contact Block Mounted to Housing
Indicator 120 Vac Red Multi-cluster LED
Comment 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. EN60947-1, EN-60947-5-1, EN60947-5-5

Technical Specifications

Product Type Cable Pull Safety Switch
Actuator Cable, Maintained Both Sides
Switch Type 2NC/2NO Direct Opening (Switch 1, Left: 1NC/1NO; Switch 2, Right: 1NC/1NO)
Contact Material Gold-plated
Cable Length N/A
Termination Type 1/2 NPT
Ampere Rating 10 uA to 50 mA Low Energy
Voltage 250 Vac and 60 Vdc max.
Housing Material Zinc Die-Cast
Series Name 2CPS
Shock 15 G
Vibration 10 Hz to 500 Hz, 5 G
Sealing IP67; NEMA 1, 4, 12, 13
CSA File # LR57326
UL File # E37138, E157416
Agency Approvals and Standards UL, CE, CSA, SIL 3 capable
Expected Mechanical Life 1 Million
Operating Temperature -40 °C to 85 °C [-40 °F to 185 °F]
Availability Global
UNSPSC Code 39122205
UNSPSC Commodity 39122205 Safety Switches
Contact Block Mounted to Housing
Indicator 120 Vac Red Multi-cluster LED
Comment 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. EN60947-1, EN-60947-5-1, EN60947-5-5

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
CPS Series Cable Pull Safety Switch Datasheet Datasheet English 2MB
PK 80155: 2 CPS Series Cable Pull Safety Switch Installation Instructions and Approvals Documentation English 1MB
PK 80169: 2CPS Series Cable Pull Switch Without Broken Cable Detection Installation Instructions and Approvals Documentation English 538KB
PK 80170: CPS-BRACKET Mounting Bracket, Issue 3 (Multiple Languages) Installation Instructions and Approvals Documentation English 519KB
Test Report: Cable-Pull Switch: Pull-Force Testing Application Note English 4MB
MICRO SWITCH Safety Switches Comparison Product Range Guide English 504KB
MICRO SWITCH Switches in Conveyor Applications Application Note English 176KB
CPS Troubleshooting Application Note English 106KB
Limit Switches with Positive Opening Contacts Application Note English 555KB
Solid Waste Management and Disposal Application Note English 2MB
Industrial Product Line Card Line Card/Selection Chart English 2MB
Limit Switches and Machine Safety Range Guide Product Range Guide English 22MB
Electromechanical Safety Switch Product Selection Guide Catalog Information English 351KB
1CPS & 2CPS switch SIRA certificate Certificate English 81KB
1CPS & 2CPS switch mechanical endurance certificate Certificate English 28KB
1CPS & 2CPS switch electrical endurance certificate Certificate English 28KB
Maintaining Equipment Safeguards in Varying Operating Temperatures Application Note English 394KB
White Paper: Safety in the Factory/Distribution Center – The Need for Cable Pull Safety Switches White Paper English 420KB

Product 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
  • UL, CE, CSA, SIL 3 capable

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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