Imperial 72245 Mini (spdt) Change-over Relay With Resistor, 20/40 Amp, 12 Volt,per Package Of 2 "IMPERIAL" RELAY Mini (SPDT) Change-Over Relay With Resistor. 20/40 amp; 12 volt. Pin Type: B1 Temperature Range: -40 C. to 125 C.Per Package of 2