Good sky 30a automotive relays good sky car ss 124dm automotive relay spst contact 24v dc coil voltage 30a contact current 362r coil resistance 159w coil power 10ms operate time 10ms release time silver alloy contact 231mm long 21mm wide 21mm high 18gm weight automotive relay these relays available with 12v and 24v coils have been especially designed for automotive use their heavy duty construction enables them to switch the heavier loads required in vehicular applications