120VAC WattStopper® Ultrasonic Line Voltage Ceiling Sensor

WattStopper’s low-profile UT-355 Ultrasonic Line Voltage Ceiling Sensor automatically turns lighting on and off based on occupancy. The sensor mounts on the ceiling with a flat, unobtrusive appearance and provides 360° coverage.

Features
• Advanced control logic based on RISC microcontroller provides:
- Advanced Signal Processing to eliminate false triggers and provide immunity to RFI and EMI
- Walk-through Mode to turn lights off three minutes after the area is initially occupied, ideal for brief visits such as mail delivery
• Zero-crossing for long relay life
• LED indicates occupancy detection
• Coverage 500-2,000 square feet
• DIP switch simplifies sensor adjustments
• Patented ultrasonic diffusion technology spreads coverage to a wider area
• Clip mounting system makes ceiling tile installation simple
• Terminal wiring system provides quick and easy installation
• Sensor coverage tested to NEMA Guide Publication WD 7-2000
• Qualifies for ARRA-funded public works projects