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Castell Safety - Trapped Key Safety Interlocks, Lockout Tagout Equipment and Drive-away Prevention
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Castell Safety - Trapped Key Safety Interlocks, Lockout Tagout Equipment and Drive-away PreventionCastellApplications

Applications - Switchgear - Power Isolation Prior to Multiple Access

Product Usage: KP, X, AI

The KP1 switch interlock is designed to operate as part of an integrated safety system, controlling access to hazardous areas. The illustration details the requirement to isolate a valve, which in turn isolates the power to the machine via the machine control circuit.



To gain access to the machine first of all, the valve must be turned to the closed position and locked closed by removing the key. This locks the valve in the closed position and switches the power off to the machine. The key is taken to the X type key exchange box, inserted and trapped. This releases two further keys. These are used to unlock the AI access interlocks mounted on the access points to the machine.

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