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Overview

MICRO SWITCH GKR/GKL Series Solenoid Key Operated Safety Switch, 1NC/1NO Direct Opening, Slow Action, 1/2 NPT, 24 Vdc LED, Head on the Left, Zinc Die-cast, Mechanical Latch, Silver Contacts.
The GKR/GKL Series Dual Entry Solenoid Key Operated Safety Interlock Switch is designed for use on machinery where instant stop and access to the machinery is either impossible (due to the momentum of the machine) or impractical (due to tool or machine damage or scrapped product if the current machine cycle is interrupted). The switch incorporates a manual override feature that allows removal of the key for emergency access. Key sold separately.

A safety lockout device (GKZL2) is available for use with the GKR/GKL Series. The lockout device is designed to prevent a key from being inserted either manually or by the protective guard being closed while maintenance personnel are working on the machine. When inserted, the lockout device may accommodate up to four padlocks to prevent unauthorized removal of the device. UL, CE, CSA, SIL 3 capable.

GKLE3PXA2 Key Interlock Switches - Honeywell

Technical Specifications

Product Type Key Operated Safety Interlock Switch
Actuator Key
Lever Type
Switch Type 1NC/1NO Direct Opening, Slow Action
Contact Material Silver
Cable Length N/A
Termination Type 1/2 NPT
Ampere Rating 100 mA to 10 A (Thermal)
Voltage 600 Vac and 250 Vdc max.
Housing Material Zinc Die-Cast
Solenoid Type Mechanical Latch
Series Name GKR/GKL
Shock 50 g per IEC 68-2-27
Vibration 10 g per IEC 68-2-6
Sealing IP68; NEMA 1, 4, 6P, 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 -25 °C to 40 °C [-13 °F to 104 °F]
Availability Global
UNSPSC Code 39122205
UNSPSC Commodity 39122205 Safety Switches
Contact Block N/A
Indicator 24 Vdc LED
Comment IEC 947-5-1, EN60947-5-1

Technical Specifications

Product Type Key Operated Safety Interlock Switch
Actuator Key
Lever Type N/A
Switch Type 1NC/1NO Direct Opening, Slow Action
Contact Material Silver
Cable Length N/A
Termination Type 1/2 NPT
Ampere Rating 100 mA to 10 A (Thermal)
Voltage 600 Vac and 250 Vdc max.
Housing Material Zinc Die-Cast
Solenoid Type Mechanical Latch
Series Name GKR/GKL
Shock 50 g per IEC 68-2-27
Vibration 10 g per IEC 68-2-6
Sealing IP68; NEMA 1, 4, 6P, 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 -25 °C to 40 °C [-13 °F to 104 °F]
Availability Global
UNSPSC Code 39122205
UNSPSC Commodity 39122205 Safety Switches
Contact Block N/A
Indicator 24 Vdc LED
Comment IEC 947-5-1, EN60947-5-1

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
GKR/GKL Series Solenoid Key Operated Safety Interlock Switch Datasheet English 2MB
PK 81591: GKR/GKL Series Solenoid Key Operated Safety Interlock Switch, Issue 5 Installation Instructions and Approvals Documentation English 710KB
PK 80108: GKR/GKL Series Dual Entry Solenoid Key Operated Safety Interlock Switch Installation Instructions and Approvals Documentation English 532KB
MICRO SWITCH Safety Switches Comparison Product Range Guide English 504KB
Domino Effect - GKLE Safety Switches Case Study English 154KB
Industrial Product Line Card Line Card/Selection Chart English 571KB
Limit Switches and Machine Safety Range Guide Product Range Guide English 22MB
Electromechanical Safety Switch Product Selection Guide Catalog Information English 351KB
GKL/R switch electrical endurance certificate Certificate English 27KB
GKL/R switch mechanical endurance certificate Certificate English 27KB
GKL/R switch SIRA certificate Certificate English 61KB

Product Features

  • Positive opening operation of normally closed contacts
  • Head on the right side of the switch (GKR) or the left side of the switch (GKL)
  • Separate basic switches for key position and lock status
  • Side or top key entry
  • Unique friction feature for key retention
  • Choice of four heavy duty keys
  • Solenoid power to lock or power to unlock
  • Wide range of solenoid voltages
  • Unique friction feature for key retention
  • Lockout device available
  • Choice of four heavy duty keys (Key sold separately)
  • Available with connectorized versions for automotive customers
  • Available with fluorocarbon-sealed enclosure
  • UL, CSA, CE, SIL 3 capable

Applications

Hinged or sliding guard doors, screens, protective covers and enclosures on:
  • Machine tools machinery
  • Metalworking machines
  • Special purpose machinery
  • Robotics assembly cells
  • Plastic molding machines

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