The Lutron Nova T NTLV-1000-277-BL is a single-pole, preset magnetic low-voltage dimmer rated at 1000VA (800W) for 277V circuits, suited for residential and commercial lighting control applications. The slide-action control offers intuitive raise-to-brighten and lower-to-dim operation with a preset on/off feature. An enclosed heat sink maintains a clean aesthetic, and multi-gang alignment simplifies multi-device installations. Black finish.