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

PIR Wall Switch Occupancy Sensor, 120/277V, White - 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. Suitable for retrofit applications, it replaces existing wall switches and fits behind standard decorator wall plates. This sensor is ideal for offices, conference rooms, break rooms, and utility rooms, providing energy savings by turning loads on and off according to room occupancy and light conditions. It is a reliable solution for electrical distributors and lighting solutions providers focusing on energy-efficient wire and cable and switchgear applications. Specifications Voltage: 120/240/277VAC, 50/60Hz Load Rating: 0-1000W ballast, LED, tungsten @ 120VAC; 0-1200W ballast, LED @ 240/277VAC; 1/4 hp motor Coverage: 180° field of view, maximum 900 sq ft, major motion detection up to 35' x 30', minor motion 20' x 15' Time Delay: Adjustable from 30 seconds to 30 minutes Light Level Adjustment: 0 to 200 footcandles (approx. 0-2153 lux) Sensitivity: Adjustable from 20% to 100% Dimensions (L x W x D): 2.68" x 1.75" x 1.04" (68mm x 44mm x 27mm) Color: White Number of Poles: Single Pole Manufacturer: WattStopper Country of Origin: China UL and cUL Listed Five Year Warranty Features Zero crossing circuitry reduces relay stress, extending sensor life Custom two-tier Fresnel lens enhances detection at desktop level Built-in light level sensor holds lights off when ambient lighting exceeds preset level Adjustable time delay, sensitivity, and light level settings for flexible control Manual ON/OFF button with tactile feedback for manual override Optional neutral connection with break-off tab to expose neutral terminals for 2-wire or 3-wire applications LED indicator signals occupancy detection Complies with 2017 NEC requirements Patented voltage drop protection and safety grounding with no leakage to load in off mode Service function disables automatic operation for manual control Downloads & Links WS-301 Passive Infrared Wall Switch Occupancy Sensor WS-301/301-347 PIR Wall Switch Sensors (TriLingual) WS-301 Sell Sheet