Analog 0-10V Dimmer Pack. 4 channel x 250 W Dimmer or switch pack. Reverse phase, trailing edge, ELV. Adjustable range from 0% to 93%. For incandescent, LED, Low-Voltage Electronic Transformers. ELV (no Electromagnetic or Inductive loads). Simple to Install and Operate. 4 x 2.0 Amps. Falling edge, trailing edge, reverse phase, ELV dimmer. With 0-10V analog lighting controllers & Energy Management systems. 11.25″ x 4.5″ x 3.75.