PIR Wall Switch Occupancy Sensor, 120/277V, Ivory

PIR Wall Switch Occupancy Sensor, 120/277V, Ivory – Passive Infrared Occupancy Sensor The WattStopper WS-301 Passive Infrared (PIR) Wall Switch Occupancy Sensor is designed to automatically control lighting or fan loads based on occupancy and ambient light levels. It replaces standard wall switches and fits behind a standard decorator wall plate, making it suitable for retrofit projects. Ideal for offices, conference rooms, break rooms, and utility rooms, this sensor helps electrical distributors and lighting solution providers offer energy-efficient control with simple installation and compliance with electrical codes. Specifications Voltage: 120/240/277 VAC; 50/60 Hz Load Rating: 800W (supports ballast, LED, tungsten, and 1/4 hp motor) Number of Poles: Single Pole Coverage Area: Up to 900 sq. ft. with 180° field of view Dimensions (L x W x D): 2.68” x 1.75” x 1.04” (68mm x 44mm x 27mm) Adjustable Time Delay: 30 seconds to 30 minutes Adjustable Sensitivity: 20% to 100% Adjustable Light Level Setting: 10 to 200 footcandles (107.6 to 2,153 lux) Operating Temperature: Up to 40°C (104°F) Country of Origin: China UL and cUL Listed Five Year Warranty Features Passive infrared technology detects human motion to control lighting or fan loads Built-in light level sensor holds lights off when ambient lighting is sufficient Manual ON/OFF button for occupant override with positive tactile feedback Zero crossing circuitry reduces relay stress, enhancing sensor life Custom two-tier Fresnel lens enhances detection at desktop level Optional neutral connection with break-off tab for flexible wiring Complies with 2017 NEC requirements LED indicator signals occupancy detection Patented voltage drop protection Safety grounded with no leakage to load in off mode Sensor coverage tested to NEMA Guide Publication WD 7-2000 Default Manual-ON operation for maximum energy savings Compatible with line voltage switches for multi-level lighting Downloads & Links WS-301 Passive Infrared Wall Switch Occupancy Sensor WS-301/301-347 PIR Wall Switch Sensors (TriLingual) WS-301 Sell Sheet