WT-600 Occupancy Sensor - Ultrasonic Ceiling Sensor The WT-600 Ultrasonic Occupancy Sensor by WattStopper is a 24VDC-powered device designed for automatic lighting control in enclosed office and commercial spaces. Utilizing advanced 32 kHz ultrasonic Doppler technology, it detects occupancy through omni-directional high-frequency sound waves and switches lighting on or off accordingly. This sensor is suitable for integration with WattStopper power packs and auxiliary packs, making it an effective solution for electrical distributors and lighting solutions providers aiming to optimize energy efficiency in office environments. Specifications Voltage: 24 VDC Current Consumption: 37 mA Max Coverage: 360° one-sided, up to 600 sq ft walking motion Isolated Relay Rating: 1 A @ 24 VDC for resistive load Ultrasonic Frequency: 32 kHz Time Delay Adjustment: 15 seconds to 30 minutes (DIP switch adjustable) Sensitivity Adjustment: Trimpot (minimum to maximum) Mounting Type: Ceiling Tile Mount Dimensions: 4.8” diameter x 1.5” depth (122 mm x 38 mm) Finish: White Weight: 0.5 lbs Compliance: UL and cUL Listed Warranty: 5 years Features Advanced Signal Processing (ASP) circuitry to filter out false triggers caused by air movement Omni-directional ultrasonic technology for reliable occupancy detection Isolated relay allows interface with HVAC, EMS, or additional lighting loads User-adjustable DIP switch for time delay and sensitivity settings LED indicator signals occupancy detection Designed for ceiling tile mounting on vibration-free surfaces Recommended placement guidelines to optimize coverage and reduce false triggers Downloads & Links Installation/Operator Specification/Technical Brochure CAD Drawing