WATTSTOPPER DSW-301-347-W DUAL TECHNOLOGY WALL SWITCH OCCUPANCY SENSOR 347V WHITE

WATTSTOPPER DSW-301-347-W Dual Technology Wall Switch Occupancy Sensor 347V White The WATTSTOPPER DSW-301-347-W is a dual technology wall switch occupancy sensor designed for precise and reliable lighting control in commercial and institutional applications. Combining passive infrared (PIR) and ultrasonic sensing technologies, it detects occupancy to automatically turn lighting loads ON and OFF, helping electrical distributors and lighting solutions providers optimize energy efficiency. This sensor is suitable for retrofit projects or new installations and fits behind a standard decorator wall plate. It supports multi-way control from up to four locations, making it ideal for wire and cable wiring configurations in various commercial spaces. Specifications Voltage: 347 VAC, 50/60 Hz Load Limits: 1500 W ballast, LED; 1/4 HP motor Time Delay Adjustment: 5 to 30 minutes, including walk-through and test modes Sensing Technologies: Passive Infrared (PIR) and Ultrasonic (40 kHz) PIR Sensitivity: High or Low (50%) adjustable Ultrasonic Sensitivity: Fully variable, including Off Coverage Area: PIR major motion 35’ x 30’; ultrasonic major motion 20’ x 20’ Dimensions (L x W x D): 2.73” x 1.75” x 1.81” (69 mm x 44 mm x 46 mm) Terminal Screw Torque: 16 lbf-in (18 kgf-cm) Multi-Way Capability: Supports up to 4 sensors on the same circuit Audible Alerts: Selectable for impending shutoff warnings Optional Neutral Connection: Allows installation in 2-wire or 3-wire systems Compliance: UL and cUL listed; BAA/TAA-compliant models available Features Combines PIR and ultrasonic technologies to minimize false triggering and maximize detection accuracy Selectable operating modes including Manual-ON and Auto-ON for flexible control strategies Walk-through mode turns lights off after 3 minutes if no motion is detected following initial occupancy Test mode facilitates quick and easy sensor adjustments during installation Service mode enables sensor to function as a service switch in rare failure events Color-matched lens and low-profile design for aesthetic integration into commercial environments Vandal-resistant lens for durability in high-traffic areas Supports compliance with 2017 NEC requirements and ADA mounting height guidelines Downloads & Links Spec Sheet Spec Sheet