The D4SL features a durable metal-head to deliver long life in demanding industrial environments. Users will also benefit from easily selectable wiring, a wide variety of mounting methods and available operating keys, and a generous key slot that accommodates the misalignment and instability of real-life door applications. The result is a robust, simple-to-install switch that satisfies the safety needs of today's door access applications. D4SL switches are available with two types of wiring. Connector-type wiring models feature a connector cable that eliminates potential miswiring, and that facilitates fast maintenance and easy switch replacement in the event a switch is damaged. Terminal block-type models include a detachable terminal block that significantly increases wiring efficiency.
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