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DUAL TECH OCCUPANCY SENSOR 100 -347 VAC, CENTER MOUNT 360 USA

Wattstopper DT-355 Dual Tech Occupancy Sensor, 120/347V, 360°, Center Mount, USA, DT-355-U

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The Wattstopper DT-355-U is a line-voltage ceiling-mount dual-technology occupancy sensor rated at 120/230/277/347 VAC, 50/60 Hz providing 360° coverage up to 1,000 sq ft at mounting heights of 8–12 ft for commercial ceiling applications. It combines PIR and 40 kHz ultrasonic detection with ultrasonic diffusers for comprehensive coverage, supports DIP-switch time delays (30 sec to 30 min), light level sensing (10–300 fc), walk-through mode, test mode, and flying-lead termination compatible with BZ Power Packs and Wattstopper PLUS Sensor Interface Modules. Listed to UL, cUL; BAA/TAA compliant; USA manufactured; 5-year warranty.


Voltage 120/230/277/347 VAC, 50/60 Hz
Load Rating 800W @ 120 VAC, 1200W @ 230–347 VAC
Sensor Type Dual Technology (PIR + Ultrasonic)
Coverage 1000 sq ft, 360°, 8–12 ft mounting height
Features Adjustable Time Delay, Light Level Sensor, Test Mode, Walkthrough Mode
Timer Duration 30 Seconds, 5–30 Minutes
Mounting Ceiling, J-Box, Surface
Certification UL, cUL, BAA/TAA Compliant, USA-Made

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