Proportional Controller Electrical Connection Saddle Clamp Heat Sink Included Input Voltage 480V AC Maximum Output Current with Heat Sink 40 A Output Voltage Range 400 to 480V AC Application Resistive Loads Only Body Depth 0.9 in Body Height 2.3 in Body Width 1.8 in Dielectric Strength 2 500V Drop Out Voltage 1.6V Frequency 50/60 Hz Includes KS100 Protective Cover Internal Snubber No Maximum Operating Temperature 176 Degrees F Minimum Operating Temperature -22 Degrees F