Group bistable relay BIS-412-24V

Intended use:
The BIS-412 electronic bistable impulse relay is designed for group operation. A single relay allows  for switching on and off the controlled receiver after each current impulse caused by pressing the momentary (bell) button of the local control. The group system allows you to switch on or off with the central control buttons all receivers connected to individual relays. Operation:
Local control
The receiver is switched on after a current impulse caused by pressing one, any momentary button   ;  from the local control group. The relay contact is switched to position 7-10. After the next pulse, the receiver will be turned off (the contact returns to position 7-12).
Central control
OFF  ALL - after a current pulse caused by pressing the momentary button    all receivers will be switched off (regardless of their status - off or on) individually controlled by individual relays. A contact in each relay will be switched to position   7-12.
ON  ALL - after  current pulse caused by pressing the momentary button    all receivers will be switched on (regardless of their status - off or on) individually controlled by individual relays. A contact in each relay will switch to position 7-10. NOTE!
BIS-411 230V can work with illuminated switches.