TE Connectivity RT Series PCB Power Relays Bistable – TE Connectivity 4-1393243-6, A DPDT single coil 8A 12V DC general purpose latching relay. Typical applications include battery-operated devices and applications with a memory function (e.g. in case of power failure). TE Connectivity RT424A12 DPDT PCB Relay 12VDC 8A Latching Single Coil