Overview
The Sensor Switch WSD-W wall sensor switch is a stylish, wall-mounted passive infrared (PIR) occupancy sensor designed for automatic lighting control in small to medium enclosed spaces. This decorator-style unit fits standard outlet plates and is manufactured by Sensor Switch (Acuity Brands) under the Cooper/Arrow Hart brand. The WSD-W provides reliable motion detection without requiring neutral wire connections, simplifying installation in retrofit applications.
Key Features
- Passive infrared (PIR) sensing technology for reliable motion detection
- Decorator wall switch style fits standard outlet boxes and plates
- Operates with or without neutral wire connection (pre-configured without neutral)
- User-programmable time delay and multiple on/switch modes via front push-button
- Compatible with incandescent, LED, electronic ballast, magnetic ballast, and CFL fixtures
- Ideal for private offices, copy rooms, closets, and small enclosed spaces
Technical Specifications
- Voltage: 120/277 VAC, 50/60 Hz
- Load Capacity: 800 W @ 120 VAC; 1200 W @ 277 VAC (incandescent/fluorescent); 1/4 HP (motor loads)
- Sensor Type: Passive Infrared (PIR)
- Detection Range: Up to 20 feet optimal distance
- Mounting Height: 30–48 inches recommended
- Dimensions: 1.68″ W × 1.63″ D × 2.74″ H
- Finish: Decorator white
- Time Delay: User-programmable, typically 12 seconds to 30 minutes
- Wiring: Single-pole or 3-way capable
Typical Applications
- Private offices and workspaces
- Copy rooms and print areas
- Storage closets and small supply rooms
- Corridors and hallways in small facilities
- Restrooms and washrooms
- Breakrooms and lunch areas
- Any small enclosed space without major obstructions
Compatibility & Replacements
Compatible With
- Standard electrical outlet boxes and decorator wallplates
- Incandescent light fixtures
- LED lighting fixtures
- Electronic and magnetic ballast fluorescent fixtures
- CFL (compact fluorescent) fixtures
- Single-pole and 3-way switch circuits
- Motor loads up to 1/4 HP
Replaces / Drop-In Replacement For
- Older Sensor Switch WSD models (non-decorator versions)
- Standard manual wall switches in small space applications requiring occupancy control
- Verify specific model compatibility with your existing installation before ordering
Works With
- Line-voltage occupancy sensing systems
- Automatic on/off and manual override switching modes
- Programmable time delay settings via push-button interface
- Neutral-wire and no-neutral wiring configurations
