Unit Description; Coverage Pattern - LEGRAND WattStopper UT-300 Series Installation Instructions Manual

Ultrasonic low voltage occupancy sensor
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UNIT DESCRIPTION

The WattStopper UT-300 sensors turn lighting systems on and off based on
occupancy.
The UT-300 can be configured to turn lighting on, and hold it on as long as it detects
cccupancy. After no movement is detected for a user specified time (30 seconds
to 30 minutes) the lights are switched off. A "walk-through" mode can turn lights
off after only 3 minutes, if no activity is detected after 30 seconds of an occupancy
detection.
The UT-300 operates on 24V supplied by WattStopper Power Packs. The sensors can
operate on 24VDC, 24VAC, or half wave rectified AC. UT-300 sensors also have an
isolated relay with Normally Open and Normally Closed contacts for interfacing with
HVAC or EMS systems.

COVERAGE PATTERN

The UT-300 is available in 3 models. Each model has a different size coverage
pattern. The coverage shown represents walking motion at a mounting height of
8 to 10 feet. For building spaces with lower levels of activity or with obstacles and
barriers, coverage size may decrease.
45'
23'
16'
12'
5'
0'
5'
12'
16'
23'
Drawings not to scale.
23'
16'
12'
Call 800.879.8585 for Technical Support
0'
12'
16'
UT-300/305-3
UT-300/305-2
UT-300/305-1
23'
45'
UT-300/305-3
HALLWAY
APPLICATION

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