Legrand WS-301-B Wattstopper Passive Infrared Wall Switch Occupancy Sensor 120/277V

Product Description

The Legrand WS-301-B is a passive infrared wall switch occupancy sensor that operates at 120/277 volts. This sensor detects occupancy and ambient light levels to turn lighting or fan loads on and off. The product fits behind a standard decorator wall plate and replaces existing wall switches. It meets 2011 NEC requirements. The design incorporates zero crossing circuitry which reduces stress on the relay for longer sensor life. It features adjustable time delay and sensitivity settings. The custom two-tier Fresnel lens improves detection at desktop levels. The sensor has been verified for coverage according to NEMA Guide Publication WD 7-2000.

• Works with both lighting and fan loads
• Fits standard decorator wall plate
• Zero crossing technology for longer relay life

Product Highlights

Efficient control of lighting based on occupancy and ambient conditions. Ideal for use in offices and break rooms.

Product Information

Standard Information

• Brand: Legrand
• Manufacturer Part Number: WS-301-B

Technical Specifications

• Sensor Type: Passive Infrared
• Voltage Rating: 120/277 VAC
• Power Rating: 0 to 1200 W, 1/6 hp
• Coverage Area: 900 square feet
• Viewing Angle: 180 degrees
• Time Delay: 30 seconds to 30 minutes
• Enclosure: NEMA WD7
• Material: Plastic
• Dimensions: 2.68 inches L x 1.75 inches W x 1.04 inches D