Hongfa hfd3 2a subminiature pcb mount signal relays dpdt hongfa hfd3024 l2 a subminiature pcb signal relay with a 24v dc coil switching capacity of 2a and a dpdt contact configuration the relay is of the 2 coils latching type and has pcb type terminals hongfa hfd3024 l2 pcb mount relay 24v dc dpdt 2 coils latching