Wattstopper® PIR Single Pole Single Relay Occupancy Sensor, 800W at 120V/1200W at 277V, Gray

Wattstopper® PIR Single Pole Single Relay Occupancy Sensor - Passive Infrared Wall Switch 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 existing wall switches and fits behind a standard decorator wall plate, making it ideal for retrofit projects. This sensor is suitable for applications in offices, conference rooms, break rooms, storage areas, utility rooms, and private restrooms. It supports both two-wire and three-wire installations, complying with local and national electrical codes. The WS-301 is a reliable solution for electrical distributors and lighting solutions providers seeking efficient energy management through occupancy sensing. Specifications Load Rating: 800W at 120V / 1200W at 277V Voltage: 120/240/277 VAC; 50/60 Hz Number of Poles: Single Pole Dimensions (L x W x D): 2.6 in x 1.75 in x 1.55 in Coverage: 180° up to 900 ft² 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) UL and cUL Listed Country of Origin: China Manufacturer: Pass & Seymour Manufacturer Part Number: WS301G Product Weight: 4.52 lbs Features Passive Infrared (PIR) sensor detects occupancy by sensing infrared energy from human motion Built-in light level sensor holds lights off when ambient lighting exceeds preset level Zero crossing circuitry reduces relay stress and extends sensor life Custom two-tier Fresnel lens enhances detection at desktop level Optional neutral connection with break-off tab for flexible wiring in retrofit or new installations Button provides positive tactile feedback for manual override Durable lens designed for high traffic applications Compliance with 2017 NEC requirements LED indicator for occupancy detection Patented voltage drop protection Safety grounded with no leakage to load in off mode BAA/TAA-compliant models available Downloads & Links WS-301 Passive Infrared Wall Switch Occupancy Sensor WS-301 Sell Sheet Spec Sheet WS-301/301-347 PIR Wall Switch Sensors (TriLingual) Cleaning Instructions for Wiring Devices