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Ultrasonic Ceiling Occupancy Sensor, 100-347VAC, 2000 sq ft

UT-355-3 Wattstopper
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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.
Footprint 2000 sq ft
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Features

  • Architecturally appealing low-profile appearance
  • Utilizes advanced, omni-directional, ultrasonic technology
  • Ultrasonic diffusers provide more comprehensive coverage
  • Operates at 120, 230 (single phase), 277 or 347 VAC, 50/60 Hz
  • Terminal wiring for quick and easy installation
  • Walk-through mode increases savings potential

Specifications

General Info
Color White
Product Series UT-355
Type Sensor
Application Sector Commercial
Product Line Wattstopper
Country Of Origin China
Features Adjustable Time Delay, Indicator Lights, Light Level Sensor, Sensitivity Adjustment
Installation Location Ceiling
Warranty Type 5-Year
Standard UL, cUL, PEP
UPC Number 754182915224
Dimensions
Product Depth US 1.9 in
Product Height US 4.5 in
Product Volume US 69.6 cu in
Product Width US 4.5 in
Product Weight US 0.337 lb
Additional Information
DesignLights Consortium Qualified System Yes
Security   Yes This product is ioXt certified
Product Environmental Profile Yes
RoHS Compliant Yes This product meets the material restrictions of Article 4 of the RoHS Directive (2011/65/EU), including Commission Delegated Directive 2015/863.
Technical Information
Number of Connections 4
On Function Auto On
Wire Connection Type Screw Terminals
Has Battery No
Indicator LED Light
Input Voltage 120/230/277/347 VAC
Mounting Type 2-1/4 in Deep J-Box, Surface
Operating Temperature 0°-55°C, 32°-131°F
Operating Temperature Max 131 °F
Operating Temperature Min 32 °F
Sensing Range 10 x 60 ft, 40 x 40 ft
Sensor Type Occupancy
Sensor Technology Ultrasonic
Sensor Coverage 2000 sq ft
Sensor Coverage Pattern 360 deg
Sensor Mounting Height 8-10 ft
Ultrasonic Frequency 40 kHz

Reviews

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Questions & Answers

I have (2) 2000 SQF office, 1000 SQF lunch room, 30 feet long hallway, on 8 feet ceiling, what occupancy sensor and power pack should we need for the project? Thanks

Asked by: Jonathan C
Greetings Jonathan, The UT-300-3 is specifically made for hallway applications, it will cover 45' in both directions @8-10ft mounting height. This sensor is compatible with all of our BZ-series power packs.
Answered by: Tier 1 Tech Support
Date published: 2023-07-11

Hello, I want to know if the UT-355 family sensor works with zero crossing technology. Thanks

Asked by: Oscar Godoy
Hello Santiago, Yes the UT-355 uses Zero-crossing for long relay life.
Answered by: Tier 1 Tech Support
Date published: 2023-07-11
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