Anti-tamper contact - VdS shunt lock

The device has a sabotage contact. In the normal state (cover closed) a microswitch is pressed down and connects the terminals 8 and 9.

Connect the contacts 8 and 9 with a suitable evaluation. If the cover is opened or the cable is cut, the contacts are open from the point of view of the evaluation and you can react to the sabotage attempt.

The contact bridges are equipped ex works as follows:

Contact bridge	Layout
Rs	Open
Ry	Wire jumper
Rx	Wire jumper
Rz	open, optional termination resistor