ERP - PSB50W-0850-56 - Programmable Amperage [425-850mA] / Dimming Profiles - 16.15-47.6W - 0-10Vdc & Phase [Leading and Trailing Edge @120Vac only] dimming - 120 / 277Vac - LED power supply -Used with ENCP1 -Available with IP68-Outdoor Rated -ENCP20, ENCP22