The STI resettable break glass call point uses a simple yet ingenious patented mechanism which consists of a rigid plastic operating element and an over centre spring mechanism.
This arrangement provides real action on operation and simulates break glass activation. An activation indicator drops into view at the top of the window after the call point has been operated.
The unit is then simply reset with a key and is ready for re-use straight away.
Suitable for indoor use only.
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