Bistable relay BIS-411 24V BIS-411-24V

Electronic bistable impulse relay allows you to switch on lighting or other device from several different points using control buttons connected in parallel.
Operation:
The receiver is switched on after  impulse of current caused by pressing any momentary (bell) button connected to the relay. The receiver will be switched off after the next pulse.
The relay has no "memory". contact position, i.e. in the case of  power failure and its return, the relay contact will be switched off. Prevents  is the automatic activation of controlled receivers without supervision after a long-term power failure.