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Anti-lock-in device adapted for sliding doors

Designed to control access to hazardous areas, Castell have introduced a new version of their Entry Safe key interlock that can be fitted to sliding, as well as hinged, doors.

Entry Safe is normally used on machine guarding where existing tongue switches isolate machinery before access to hazardous areas is granted. The prevailing risk associated with tongue switches is that the operator may disappear from view after passing through the open guard. Inadvertently, a second operator could then lock in the first, thereby putting him at risk of injury when the machinery is restarted.

Entry Safe addresses this danger by ensuring that the operator is safe at all times and has complete control over the restarting of the machinery. The device works by latching the door in a locked position. When the door is partially opened, Entry Safe unlocks and releases a key into the operator’s hand. This is retained by the operator while inside the hazardous area, and during this time the interlock prevents the guard door being re-closed. ?

Apart from tongue switches, Entry Safe can be used in conjunction with hinge, magnet, coded or reed switches and even non-contact switches. Adding a lock-out multi-clasp to the interlock allows multiple personnel (eg mechanical, electrical and CNC engineers) to carry out safe and simultaneous machinery maintenance.

 
 

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