Wattstopper UT-355 Ultrasonic Ceiling Occupancy Sensor, 100-347V, 500 sq ft, UT-355-1

ROCK SKU: WAT-UT-355-1
MFG Part #: UT-355-1

$180.00

$141.43

Spec Sheet Installation Guide

Estimated Lead Time: 1 week

The Wattstopper UT-355-1 is a low-profile ultrasonic line-voltage ceiling occupancy sensor that automatically controls lighting based on occupancy in private offices, restrooms, and small commercial spaces. Rated for 100–347VAC operation, it provides 500 sq ft of ultrasonic detection coverage without requiring a separate low-voltage power supply or control panel. Its line-voltage design simplifies installation in standard commercial applications where direct switching is required.

Voltage	100-347VAC
Detection Range	500 sq ft
Sensor Type	Ultrasonic
Mount	Ceiling

Returns

Returns accepted within 30 days of purchase, in original unopened packaging, unused and in resalable condition.
All returns require prior authorization — email info@rocklighting.com before shipping anything back.
Approved returns are subject to a 25% restocking fee, deducted from the refund.
No restocking fee when the problem is ours — damaged, defective, wrong item shipped, or an inaccurate listing.

Return & Refund Policy · 323-419-5591