Interlock Safety Switch – GKN Series, Multi-Entry Key, 1NO/2NC, IP67 MPN:GKNA21

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Brand: Honeywell
Part #: GKNA21
SKU
510-G3907696
Regular Price $272.29 Special Price $194.49

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Interlock Safety Switch – GKN Series, Multi-Entry Key, 1NO/2NC, IP67

The Honeywell GKN Series Interlock Switch is a reliable and versatile solution for secure access control in various industries. This multi-entry key operated device integrates seamlessly into control systems, ensuring secure access points and protecting against unauthorized entry. With a compact design and slow action circuitry, it provides multiple contacts and supports various actuator key types. Ideal for use in hazardous locations, the GKN Series Switch offers a mechanical life of up to 500,000 cycles and meets international standards for safety and reliability. It's perfect for applications in oil and gas, industrial automation, and other high-security environments.

Top product features:

  • Slow action circuitry with multiple contacts (1NO/2NC) provides a controlled and reliable switching action.
  • Supports various actuator key types, including 90 degrees, spring, and flat keys, allowing for flexibility in key design and user experience.
  • IP67 ingress protection rating ensures the switch remains functional and protected from dust and water in harsh environments.

Top product applications:

  • Access control systems for industrial facilities
  • Security systems for high-risk areas such as prisons or data centers
  • Machine guarding and safety systems for manufacturing equipment
  • The Honeywell GKN Series Interlock Switch is a multi-entry key operated device intended for integration into control systems that monitor access points. This switch features a compact plastic body with a red housing and supports various actuator key types, including 90 degrees, spring, and flat keys (not included). It offers slow action circuitry with multiple contacts (1NO/2NC) and is rated for a mechanical life of up to 500,000 cycles. The unit conforms to IEC 60947-5-1 standards and carries CCC, CE, cULus, and SIL3 approvals.

    Key features:

    • - AC Contact Rating: 10 A
    • DC Contact Rating: 0.1 to 10 A @ 250 V
    • - Actuator Material: Stainless steel
    • Body Material: Plastic
    • - Circuitry Action: Slow action
    • Contact Form: 1NO/2NC
    • Contact Material: Silver
    • - Conduit Size & Electrical Connection: 1/2 in NPT conduit
    • - Extraction Force: 0.5 lb
    • Operating Force: 5 lb
    • - Mechanical Life of up to 500,000 cycles
    • - IP67 ingress protection rating
    • NEMA Enclosure Ratings: Types 1, 4 (indoor only), 12, and 13
    • - Key Hole Location options at front or top
    • Multiple wiring entry points available
    • - Dimensions (HxWxD): Height – 3.54 in., Width – 2.52 in., Depth – 1.18 in.
    • - Operating Temperature Range: -13°F to +158°F


    Additional Information

    • Country of Origin: CN
    • Drop Ship Item: No
    • Blind Ship Eligible: No
    • LTL Freight Required: No
    • Lead Time: Ships in 1 days
    • Minimum Order Quantity: 1
    • Unit of Measure: EA
    • Package Length: 4.50
    • Package Width: 3.50
    • Package Height: 2.00
    • Package Weight: 0.35
Product info last updated on April 23, 2026 7:18am UTC Category: Industrial Electrical Controls and Automation
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