This dimmer module is for use in Colortran ENR dimming racks and Colortran Topaz dimming racks. Input:  40 amps, 100/120 volt, 50/60 Hz. Load:  2 circuits, 2.4kw max @ 120 v, 2.0kw max @ 100V Suitable for incandescent or inductive loads.  Incandescent loads only when ENR feature is enabled. This dimmer module fits into an ENR Series 24 rack by Colortran, an ENR series 96 rack by Colortran, as well as many other dimming racks made by Colortran, Lee, Leviton, and NSI.