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Rain/Snow Sensor Controller DS-224-750

Rain/Snow Sensor Controller


The Model DS-224-750 Rain/Snow Sensor Controller provides reliable snow and rain detection and control for commercial or residential applications. It detects rain to control motorized windows, roof vents, window wipers, etc. It also detects snow to control snow melting equipment and deicing systems for wheelchair ramps, stairways, driveways, loading docks, roofs, and more. The Model DS-224-750 is a low cost, easy-to-install, energy-saving alternative to thermostats, manual switches, or timer controls. It can be used stand-alone or in combination with building automation systems, BAS.


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QtyModelDescriptionIn StockList PriceInternet Price
DS-224-750 RAIN/SNOW SENSORIn Stock1,007.76564.35


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  • Reliable Rain and/or Snow Detection
  • Can Also Function as a High Power Intelligent Thermostat
  • Low Voltage Units:
  • Supply - 22-28V AC/DC, 15VA Max
  • Control - Full 30A @ 24V AC, 20A @ 28V DC
  • Inexpensive, Replaceable Precipitation Sensor
  • Easy Installation, Full Access to Electronics
  • 10 Different Functions, 1 Part Number, Simplified Ordering
  • Standard 3/4" NPT Conduit Hub, Includes 3/4" to 1/2" Reducer
  • Adjustable Temperature Trigger Point
  • Adjustable Delay Off Drying Timer with 30-90 Min or 2-6 Hr Ranges
  • Adjustable Precipitation Sensitivity
  • Super Bright Power/Activation LED Indicator
  • Simple Remote Control/Monitor Capability
  • Selectable Low Temperature Cutoff With Unique "Recover" Mode
  • External Manual On-Automatic-Standby Override Switch (Except DS-4C/DS-7C)
  • Smart "Manual On" Operates for One Delay Off Cycle
  • Remote Control/Monitor Devices Are Available

Supply Voltage:24 VAC @ 20 VA

Life Expectancy:Minimum 100,000 cycles (relay)

Relay Output: Load 30A @ 240 VAC

Monitor 24 VAC/VDC, 400 mA, 10W total :

Alarm Relay Time Delay:Sensor 2 minutes

Controller 30-90 minutes, field selectable:

Additional Specifications:Trigger temperature: 34°, 39°, or 44°F (1.1°, 3.9°, or 6.6°C), field selectable

Mounting:3/4" rigid conduit or 4 mounting tabs

Wiring Terminations:18" (45.72 cm) leads

Power 14 AWG 18" (45.72 cm) leads:

Load 10 AWG 18" (45.72 cm) leads:

Remote control 22 AWG, five-wire cable:

Operating Temperature:-40° to 185°F (-40° to 85°C)

Enclosure Rating:Two-gang PVC NEMA 3R

Dimensions:7.0"H x 4.75"W x 2.75"D (17.78 x 12.07 x 6.99 cm)

Approvals:UL file E207482, CE

Weight:2.3 lb (1.04 kg)

Warranty:2 year


Download Additional Data

document   DS-224-750 installation manual