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Overview

MICRO SWITCH GKN Series Key-Operated Safety Switch, 2NC/1NO Direct Opening, Slow Action, 3 x 20mm Conduit, Plastic Housing, Silver Contacts.

The GKN Series safety interlock switches provide superior reliability in a compact, cost-effective package size. Six different types of actuator keys are available.

The GKN Series conforms to IEC 60947-5-1 and carries cULus, CE, CCC, and SIL 3 capable approvals.

GKNC21 Key Interlock Switches - Honeywell


Technical Specifications

Product Type Key Operated Safety Interlock Switch
Actuator Key
Lever Type
Switch Type 2NC/1NO Direct Opening, Slow Action
Contact Material Silver
Cable Length N/A
Termination Type 20 mm
Ampere Rating 100 mA to 10 A (Thermal)
Voltage 240 Vac and 250 Vdc max.
Housing Material Plastic
Series Name GKN
Shock 50 g per IEC 68-2-27
Vibration 10 g per IEC 68-2-6
Sealing IP67; NEMA 1, 4X (indoor use only), 12, 13
CSA File # E37138
UL File # E37138
Agency Approvals and Standards cULus, CE, CCC, SIL 3 capable
Expected Mechanical Life 500,000 cycles
Operating Temperature -25 °C to 85 °C [-13 °F to 185 °F]
Availability Global
UNSPSC Code 39122205
UNSPSC Commodity 39122205 Safety Switches
Contact Block N/A
Indicator N/A
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. IEC 947-5-1, EN 60947-5-1, UL508, CSA C 22.2 No.14

Technical Specifications

Product Type Key Operated Safety Interlock Switch
Actuator Key
Lever Type N/A
Switch Type 2NC/1NO Direct Opening, Slow Action
Contact Material Silver
Cable Length N/A
Termination Type 20 mm
Ampere Rating 100 mA to 10 A (Thermal)
Voltage 240 Vac and 250 Vdc max.
Housing Material Plastic
Series Name GKN
Shock 50 g per IEC 68-2-27
Vibration 10 g per IEC 68-2-6
Sealing IP67; NEMA 1, 4X (indoor use only), 12, 13
CSA File # E37138
UL File # E37138
Agency Approvals and Standards cULus, CE, CCC, SIL 3 capable
Expected Mechanical Life 500,000 cycles
Operating Temperature -25 °C to 85 °C [-13 °F to 185 °F]
Availability Global
UNSPSC Code 39122205
UNSPSC Commodity 39122205 Safety Switches
Contact Block N/A
Indicator N/A
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. IEC 947-5-1, EN 60947-5-1, UL508, CSA C 22.2 No.14

Documents

TITLE DOCUMENT TYPE LANGUAGE SIZE
GKN Series Safety Interlock Switch Datasheet English 478KB
50017382: GKN Series Safety Interlock Switch Installation Instructions and Approvals Documentation English 444KB
50018101: GKN Series Actuating Key, Issue 1 (Multiple Languages) Installation Instructions and Approvals Documentation English 354KB
MICRO SWITCH Safety Switches Comparison Product Range Guide English 504KB
Limit Switches with Positive-Opening Contacts Application Note English 3MB
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
GKN switch electrical endurance certificate Certificate English 25KB
GKN switch mechanical endurance certificate Certificate English 25KB
GKN switch SIRA certificate Certificate English 55KB

Product Features

  • Positive opening safety contacts
  • Choice of six actuators
  • Double insulated per IEC 60947-5-1
  • Global approvals (cULus, CE, CCC), SIL 3 capable
  • Three cable entries
  • Large wiring cavity
  • Large M20 cable entry
  • Four-entry head

Applications

  • Woodworking machinery
  • Printing/paper finishing equipment
  • Plastic molding equipment
  • Printing machinery
  • Bailing and pumping equipment
  • Semiconductor manufacturing equipment
  • Packaging wrapping
  • Specialty equipment

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