Intermatic IOS-DSR-IV Commercial Grade Self-Adaptive In-Wall PIR Occupancy Sensor, No Neutral Required, Ivory

IntermaticSKU: IOS-DSR-IV

Sale price $48.91
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Specifications | Instructions

Intermatic IOS-DSR-IV Commercial Grade Self-Adaptive In-Wall PIR Occupancy/Vacancy Sensor, No Neutral Required, Ivory

The passive infrared sensors work by detecting the difference between heat emitted from the human body in motion and the background space. The sensor switch can turn a load ON and hold it as long as the sensor detects occupancy. After no motion is detected for the set time delay, the load turns OFF automatically. The sensor switch has one relay (equal to single pole switch), it also includes Auto Set and Walk Through features.


  • Passive Infrared (PIR) sensing for presence detection
  • Coverage: 180º, 1200 ft2 with non-obstructed views
  • User-selectable Vacancy or Occupancy switch mode
  • Zero-crossing technology for long life and performance
  • Automatic self-adaptive time delay based on occupancy patterns
  • IOS-DSR/DDR models feature optional walk-through detection mode
  • Adjustable ambient light sensor override
  • Incandescent/Fluorescent/CFL/LED compatible
  • IOS-DOV models require a neutral connection
  • Fits standard decorator wall plate (included)


  • Indoor Sensing Control


Color Ivory Input Voltage Range(s) 120/277 VAC, 60 Hz
Number Of Circuits 1 Mount Type In-Wall
Occupancy Sensor Power Type Line Voltage Warranty Period 5-Year limited
Application Compatibilities CFL, Fluorescent, Incandescent, LED Sensor Switch Type Occupancy, Vacancy
Sensor Technology PIR (Passive Infrared), Zero-crossing Adjustable Light Level Max Daylight
Adjustable Light Level Min 30 lux Adjustable Time Delay Max 30 min
Adjustable Time Delay Min 15 sec Ballast Fluorescent 800 VA, 120 VAC; 1600 VA, 277 VAC
Ballast Fluorescent Ranges 800 VA, 120 VAC; 1600 VA, 277 VAC Category Occupancy/Vacancy Sensors Web
Electronic Ballast LED 800 VA, 120 VAC; 1600 VA, 277 VAC Has Walk-Through Detection Yes
Includes Wall Plate Yes Inductive 1600 VA, 277 VAC, 800 VA, 120 VAC
Inductive Load Ratings Ranges 800 VA, 120 VAC; 1600 VA, 277 VAC Maximum Mounting Height (ft) 4 ft
Motor (Three-Phase) 1/4 HP Motor Three Phase Ranges 1/4 HP
PIR Coverage Area (sq ft) 1200 PIR Lens 2 Coverage Pattern (degrees) 180
Rating General Purpose Resistive Heater 10 A
Tungsten (Incandescent) Range(s) 800 W, 120 VAC Tungsten Incandescent 800 W, 120 VAC
Operating Temperature Max (°C) 55 Operating Temperature Max (°F) 131
Operating Temperature Min (°C) 0 Operating Temperature Min (°F) 32
Product Depth (in) 1.75 Product Depth (mm) 44
Product Height (in) 2.625 Product Height (mm) 67
Product Width (in) 1 5/16 Product Width (mm) 33
Unit Carton Height (in) 5 Unit Carton Length (in) 3
Unit Carton Weight (lb) 0.4 Unit Carton Width (in) 2.25

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