Honeywell Safety Interlock Switch: GKN Series
The HONEYWELL GKN Series Safety Interlock Switch (MPN GKNA21) is a key-actuated safety-interlock switch with a 1NO/2NC contact configuration. It features a spring-type actuating key with the key hole located on the…
SKU 3G-OTH-30371
Need installation or engineering help?
Ask a question
Product Description
The HONEYWELL GKN Series Safety Interlock Switch (MPN GKNA21) is a key-actuated safety-interlock switch with a 1NO/2NC contact configuration. It features a spring-type actuating key with the key hole located on the top and a 1/2 in NPT conduit terminal connection.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the HONEYWELL GKNA21 safety interlock switch used for?
The HONEYWELL GKNA21 is a key-actuated safety-interlock switch used to guard hazardous machinery in industrial environments. It ensures machine power is isolated when the guard is opened, protecting operators. Common applications include packaging lines, conveyor systems, and robotic cells where reliable safety switching is required.
What are the specifications of the HONEYWELL GKNA21?
The HONEYWELL GKNA21 is part of the GKN Series with a 1NO/2NC contact configuration. It uses a spring-type actuating key with the key hole located on the top. Terminal connection is via 1/2 in NPT conduit. The manufacturer part number is GKNA21, and the brand is HONEYWELL.
Where to buy the HONEYWELL GKNA21 worldwide?
You can source the HONEYWELL GKNA21 safety interlock switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide competitive pricing and reliable sourcing for this Honeywell component.
How to install the HONEYWELL GKNA21 safety interlock switch?
Mount the switch securely on the machine guard frame and align the spring-actuating key with the top key hole. Connect wiring through the 1/2 in NPT conduit using appropriate cable glands. Follow Honeywell's installation manual for correct contact wiring (1NO/2NC). Always verify proper guard-door alignment and test the interlock function before operation.
Used in
Common applications for HoneywellHoneywell Products
3G Electric supplies Honeywell key-actuated safety-interlock switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
