Solid State Relay Electrical Connection Screw Heat Sink Not Included Input Voltage 3 to 32V DC Maximum Output Current with Heat Sink 50 A Maximum Output Current without Heat Sink 5 A Output Switching Mode Zero Crossing Output Voltage Range 24 to 280V AC Standards UL E195424 Switch Component Type SCR Current Type DC Finger Safe Yes Mounting Style Surface Switch Configuration Form A Voltage Type AC Output Body Depth 2.3 in Body Height 1.71 in Body Width 1.89 in Case Color Gray