Dual Tech Wall Switch Occupancy Sensor, 120/277V, White

Dual Tech Wall Switch Occupancy Sensor, 120/277V, White - Occupancy Sensor Lighting Solutions The WattStopper Dual Tech Wall Switch Occupancy Sensor (Model DSW-301W) is designed to automatically control lighting based on occupancy detection. Combining passive infrared (PIR) and ultrasonic sensing technologies, it provides reliable presence detection to turn lights ON and OFF, enhancing energy efficiency. This sensor is suitable for retrofit projects and fits behind standard decorator wall plates, making it ideal for small to medium commercial spaces such as offices, conference rooms, classrooms, and break rooms. As a product from a trusted electrical distributor and switchgear supplier, it supports multi-way control from up to four locations and complies with 2017 NEC requirements. Specifications Voltage: 120/240/240/277 VAC; 50/60 Hz Load Rating: 1000W at 120VAC (ballast, LED, tungsten), 1200W at 240/240/277VAC (ballast, LED) Dimensions (L x W x D): 2.73" x 1.75" x 1.81" (69mm x 44mm x 46mm) Coverage: PIR Major motion 35’ x 30’, Ultrasonic Major motion 20’ x 20’ Time Delay Settings: 5, 15, or 30 minutes; walk-through mode; test mode (20 minutes) Sensitivity Adjustment: PIR (high/low), Ultrasonic (fully variable) Number of Poles: Multi-Location Color: White UL and cUL Listed Product Weight: 0.45 lbs Country of Origin: China Manufacturer: WattStopper Manufacturer Part #: DSW301W Warranty: Five years Features Dual technology combining PIR and ultrasonic sensors for enhanced occupancy detection Replaces existing wall switches; fits standard decorator wall plates Multi-way control capability for up to four sensors controlling one or more loads Selectable operating modes including Manual-ON and Auto-ON, walk-through, and test modes Selectable audible alerts for impending shutoff Zero-crossing relay for extended relay life Vandal-resistant lens with precise and durable coverage Optional light level sensing to prevent lights from turning ON when sufficient daylight is present Compatible with 2-wire or 3-wire installations, including optional neutral wiring Complies with 2017 NEC electrical code requirements Coverage tested to NEMA WD 7-2000 guidelines BAA/TAA-compliant models available Downloads & Links DSW-301 Dual Technology Wall Switch Occupancy Sensor DSW-301-347/302-347 Dual Technology Wall Switch Occupancy Sensors (TriLingual) DSW-301/302 Dual Technology Wall Switch Occupancy Sensors (TriLingual)