Solid State Relay Coil Voltage 3 to 12V DC Contact Form SPST-NO Current Rating 2 A Electrical Connection Pins Mounting Style Socket Body Depth 0.59 in Body Height 1.1 in Body Width 0.2 in Input Voltage 3 to 12V DC Maximum Operating Temperature 176 Degrees F Maximum Switching Voltage 1V DC Minimum Operating Temperature -4 Degrees F Minimum Switching Voltage 3V DC