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fan speed control SmartFan Omni SD

SmartFan® Omni SD Fan Speed Control and Alarm

  • Fan Speed vs. Temperature Control for 12, 24, 48V Fans

  •    5 Amp rating
  •    Includes temperature alarm
  •    Factory Customization for Orders as Low as 50 Pieces
Operation / Installation PDF

Omni SD Datasheet

The Omni SD Fan controller holds a selected chassis temperature near constant (+0°C, -4°C) by controlling the voltage (speed) of an air mover. Under normal thermal conditions, fans run at a reduced speed, keeping fan noise to a minimum and reducing air filter changes. Under less than optimal thermal conditions, fans adjust to hold the chassis temperatures near constant until maximum fan speed is attained.

The Omni SD features smooth DC voltage and high frequency resulting in maximum power efficiency, minimum size and low motor noise. Each unit can control any number of 2 or 3 wire 12, 24 or 48 VDC air movers with a combined current rating up to 5 Amps. The Omni SD also features a temperature alarm connection that is triggered if the sensed temperature reaches 10°C over the selected control temperature or if power to the controller is lost.

The Omni SD can be customized for many applications including conformal coating, custom temperature sensor termination, special idle speeds, control temperatures, alarm trigger temperatures and control slopes. Contact Control Resources customer service to ask about modifying the Omni SD for your application or for designing custom products from the ground up to meet your specification.

Specifications Features
  • » Power Source:
    • – 10 to 15 VDC for 12V Fans
    • – 20 to 30 VDC for 24V Fans
    • – 42 to 58 VDC for 48V Fans
  • » Current Rating: 4 Amps @ 55°C or less, 5 Amps in air-flow (200 ft/min)
  • » Operating temperature: -20°C to 55°C full power, derated up to 70°C
  • » Storage temperature: -40°C to 125°C
  • » Weight: 1.8 oz. (52 grams)
  • » RoHS (6/6) compliant
  • » Choose 12, 24, or 48 VDC nominal voltage ratings
  • » High power efficiency: typically greater than 90%
  • » Noise reduction: typically 13 dB(A) or more at idle speed
  • » Constant idle voltage regardless of input voltage
  • » Optically isolated temperature alarm output sinks up
    to 1.0 mA (normally closed)
  • » Selectable Control Temperatures of 35°, 40°, or 45°C
    (74°, 80°, or 86°C when P3 sensor is used)
  • » Compatible with all SmartFan temperature sensors

SmartFan Omni SD Fan Control & Alarm Dimensions and Connections

SmartFan Omni SD Fan Speed Control and Alarm dimensions

SmartFan Omni SD Fan Control & Alarm Part Numbers

Part Number1 Supply Voltage Range Maximum Fan Wattage (55°C)
200 Ft/Min Still Air
012D440-F 10 to 15 VDC 60 Watts/5.0 Amps 48 Watts/4.0 Amps
024D440-F 20 to 30 VDC 120 Watts/5.0 Amps 96 Watts/4.0 Amps
048D440-F 42 to 58 VDC 240 Watts/5.0 Amps 192 Watts/4.0 Amps
H104-F Hardware Pack

1. Temperature sensor required.

Additional Information

» Omni SD Operation / Installation Datasheet (PDF)
» Omni SD STEP CAD drawing (.step)
NOTE: If the CAD file opens as a new browser window with text, right click the link, select “Save Link As”, and select a local folder to save the file.
» SmartFan Price List (PDF)
» Click here for Questions or Comments

To talk to an Engineer or Service Representative, call (978) 486-4160 (9:00 AM – 5:00 PM EST)

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