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Front and side of Ultrasonic Ceiling Occupancy Sensor, 24VDC, 2000 sq ft, USA

Ultrasonic Ceiling Occupancy Sensor, 100-347VAC, 1000 sq ft

UT-355-2 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.
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Features

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

Specifications

General Info
Color White
Product Series UT-355
Type Sensor
Finish Glossy
Application Sector Commercial
Product Line Wattstopper
Country Of Origin China
Features Adjustable Time Delay, Indicator Lights, Light Level Sensor, Sensitivity Adjustment
Included Mounting Screws
Installation Location Ceiling
Warranty Type 5-Year
Standard UL, cUL, PEP
UPC Number 754182915217
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
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 Rockers 0
On Function Auto On
Wire Connection Type Screw Terminals
Has Battery No
Indicator Ultrasonic Detection LED
Indoor/Outdoor Indoor
Input Voltage 120/230/277/347 VAC
Light Level Adjustment 10-300 fc
Line Frequency 60 Hz
Load Rating 1200 W @ 230 VAC, 1200 W @ 277 VAC, 1500 W @ 347 VAC, 800 W @ 120 VAC
Location Rating Dry
Mounting Type 2-1/4 in Deep J-Box, Surface
Number of Buttons 0
Timer Type DIP Switch
Timer Duration 30 Seconds, 5-30 Minutes
Operating Temperature 0°-55°C, 32°-131°F
Operating Temperature Max 131 °F
Operating Temperature Min 32 °F
Operating Humidity 5-95% RH (Non-Condensing)
Sensing Range 32 x 32 ft
Sensitivity Adjustment Ultrasonic (0-100%)
Sensor Type Occupancy
Sensor Technology Ultrasonic
Sensor Coverage 1000 sq ft
Sensor Coverage Pattern 360 °
Sensor Mounting Height 8-10 ft
Ultrasonic Frequency 40 kHz
Storage Temperature 23° - 176° F, -5° - 80° C
Engraving Type Blank
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Reviews

Reviews

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Questions & Answers

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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