The functionality of each connector is described in the following paragraph:
- GND --> together with the 12V connector (terminals A and B), it serves to supply the access control device;
- NO/NC --> together with the GND connector (terminals D, E and F) it is the relay itself and supplies 12V to the lock;
- CONTROL -->together with the PUSH connector (terminals G, H and C), it functions as a dry contact to activate the relay.
The maximum amperage given by the source is 3A in total for the lock and the access control device.