Proportional Controller, Electrical Connection Saddle Clamp, Heat Sink Included, Input Voltage 120V AC, Maximum Output Current with Heat Sink 40 A, Output Voltage Range 90 to 130V 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 Yes, Maximum Operating Temperature 176 Degrees F, Minimum Operating Temperature -22 Degrees F WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -