WattStopper S120/277/347E-P Auxiliary Relay Power Pack 60Hz

Description:

The WattStopper S120/277/347E-P Auxiliary Relay Power Pack is used in low-voltage lighting control and building automation systems to provide isolated relay switching for occupancy sensors and other control devices. Commonly installed in commercial offices, schools, healthcare facilities, and industrial buildings, it enables reliable control of lighting and HVAC loads operating on 120, 277, or 347 VAC circuits. Maintenance personnel, electrical contractors, and system integrators use the WattStopper S120/277/347E-P for replacement, retrofit, control panel expansion, and energy management system upgrades.

Applications:

The WattStopper S120/277/347E-P Auxiliary Relay Power Pack is commonly used in commercial lighting systems, office buildings, educational institutions, warehouses, retail facilities, and industrial automation installations. The WattStopper S120/277/347E-P interfaces with compatible low-voltage occupancy sensors to switch lighting circuits, fans, pumps, and other electrical loads requiring isolated relay operation at up to 347 VAC.

Technical Specifications:

• Brand: WattStopper
• Part Number: S120/277/347E-P
• Product Type: Auxiliary Relay Power Pack
• Input Voltage: 120/277/347 VAC, 60 Hz
• Relay Type: Isolated auxiliary relay (no transformer power supply)
• Maximum Ballast Load: 20 A (120/277 VAC), 15 A (347 VAC)
• Incandescent Load Rating: 13 A at 120 VAC
• Motor Rating: 1 HP at 120 VAC
• Mounting: 1/2 in. snap-in nipple for standard electrical enclosures
• Enclosure: UL 2043 plenum-rated housing
• Compatible With: WattStopper 24 VDC occupancy sensors and lighting control devices
• Designed for commercial lighting and HVAC load switching
• Maximum Supply Voltage: 347 VAC

Common Replacements:

• WattStopper B347D-P Power Pack
• WattStopper BZ-150 Power Pack
• WattStopper BZ-50 Power Pack