Allen Bradley 440K-C21057

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440K-C21057

The Allen Bradley 440K-C21057 is a tongue interlock switch designed for safety applications. This model features three normally closed (N.C.) safety contacts, providing reliable monitoring of guard positions without any auxiliary contacts. The switch operates with a 90-degree tongue interlock mechanism and is equipped with an M16 conduit entry along with a 1/2-inch NPT adapter for easy wiring integration. Made with durable plastic housing, this switch is well-suited for industrial environments. BSP Automation offers this Allen Bradley interlock as part of their range of industrial safety components.