Hubbell Bryant MSU4000I1N Ultrasonic Sensor Auto Control Switch 1-Circuit, Ivory
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Hubbell Bryant MSU4000I1N Ultrasonic Sensor Auto Control Switch 1-Circuit, Ivory

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Wall Switch Occupancy Sensor Featuring Adaptive Technology
  • 400 square foot coverage with photocell
  • Single circuit - Auto Control with no button
  • Adaptive technology - Install and forget operation
  • All digital Ultrasonic sensing technology


List Price: $158.00
YOU SAVE: $77.97
REWARDS: 80 points
  • Details
  • Specs
  • Reviews
  • What's Included
  • The Hubbell Bryant MSU4000I1N Ultrasonic Wall Switch Occupancy Sensor is excellent in detecting minor motion near the sensor. It also includes Bryant's Adaptive Technology which allows you to install and forget, saving time and money from not having to do constant adjustments. This technology also helps eliminate false-offs and disturbances. The sensor automatically turns on the lights when you enter the room.

    Ultrasonic (US) technology senses occupancy by bouncing sound waves (32 kHz - 45 kHz) off of objects and detecting a frequency shift between the emitted and reflected sound waves. Movement by a person or object within a space causes a shift in frequency, which the sensor interprets as occupancy. While US occupancy sensors have a limited range, they are excellent at detecting even minor motion such as typing and filing, and they do not require an unobstructed line-of-sight. This makes US technology sensors ideal for an application like an office with cubicles or a restroom with stalls.

    • Adaptive technology - "Install and forget" operation
    • All digital sensing technology
    • Dual 120/277V AC operation. No neutral required
    • Automatic operating mode with no button
    • No minimum load requirements
    • Zero arc point switching
    • Built in photocell with manual super saver mode for daylight harvesting
    • Nylon wallplate included

      The Bryant MSU4000I1N Ultrasonic Sensor Auto Control Ivory Wall Switch is also available in White, sold separately.

      Adaptive Technology
      Adaptive Technology is a BRYANT exclusive and delivers benefits to both building owners and occupants. The building owner achieves reduced energy costs, fewer adjustments and less maintenance, and the building occupant experiences fewer false-offs and disturbances. Adaptive technology occupancy sensors use microprocessors that make all the decisions for setting adjustments. Internal software constantly monitors the controlled area and automatically adjusts the sensitivity and timer based on environmental history. Instead of manually adjusting the sensor for seasonal changes, modified airflow, furniture layout or occupancy pattern changes, the sensor automatically adjusts itself. These automatic adjustments eliminate the need for multiple manual adjustments by maintenance personnel or outside contractors. BRYANT offers adaptive technology throughout its product offering - wall switches, ceiling and wall mount sensors in conjunction with dual technology, ultrasonic and passive infrared products.
    • Specifications
      Manufacturer Hubbell Bryant
      Manufacturer Product No MSU4000I1N
      UPC 781786102415
      Coverage Area 400 Square Feet
      Color Ivory
      Buttons None
      Circuits Single Circuit
      Controls Automatic Only
      Power Requirements Dual 120/277V AC
      Lighting Control 800W Incandescent
      1000W Fluorescent at 120V AC
      1800W Fluorescent at 277V AC
      Operational Frequency 50/60 Hz
      Manufacturer Warranty Five Years Limited
      Certifications cULus, CEC Title 24 Certified

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      • 1x - MSU4000I1N Wall Switch Auto Occupancy Sensor, Ivory
      • 1x - Nylon Wallplate
      • 1x - Installation instructions

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