120/277V FET based universal dimmer, BK (307HGW2)
by Eaton Wiring Devices SUF7-BK
Eaton universal dimmer, Neutral required, 120/277 Vac, Black, 60 Hz, Dimmable LED/CFL, incandescent, fluorescent, halogen and electronic low voltage, Single-pole, Three-way, Polycarbonate