As you can see in the schematic the 12V battery (or use other voltages) is connected with the plus at terminal T1 and minus at terminal T2. The contact 1 and 4 are connected together as 2 and 3 are ...
Omron Signal Relays portfolio. G5V1 family, G5V2 family, G6A2 family, G6E family, G6J-Y family, G6K2 family, G6L family, and G6S family. -This data sheet is for the G5V1 Signal Relay, 1 Amp SPDT Relay ...