ETC Lighting 7083A1009 AD20F 1Y Rack Mount Fluorescent Dimmer Module, 20A, 277V

Model AD20F Single Phase Fluorescent Dimmer Module Suitable for use on a circuit capable of delivering not more than 65,000 RMS SYM Amp, 277 Volts Max To be used with ETC UL Listed dimmer racks only 5.5 KW, 277V, 50/60Hz, 20 Amps