WattStopper S120/277/347E-P Auxiliary Relay Power Pack

The WattStopper S120/277/347E-P Auxiliary Relay Power Pack provides isolated relay switching for occupancy sensors and other control devices within low-voltage lighting control and building automation systems. It supports 120/277/347 VAC at 60 Hz and uses an isolated auxiliary relay (no transformer power supply) to switch loads on circuits up to 347 VAC, with a maximum ballast load of 20 A at 120/277 VAC and 15 A at 347 VAC. Load ratings include 13 A incandescent at 120 VAC and a 1 HP motor rating at 120 VAC. The unit mounts on a 1/2 in snap-in nipple for standard electrical enclosures and is housed in a UL 2043 plenum-rated enclosure. Compatible with WattStopper 24 VDC occupancy sensors and lighting control devices, it is designed for commercial lighting and HVAC load switching. Common applications include commercial offices, schools, healthcare facilities, warehouses, retail facilities, and industrial automation installations, where it enables replacement, retrofit, control panel expansion, and energy management system upgrades.