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HVAC and Refrigeration
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HVAC Controls
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Duct Pressure Switches

COLUMBUS ELECTRIC Switch, Air Sensing

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Multi Purpose Air Sensing Switch, Switch Action SPDT, Differential 0.02 to 0.8 Inches WC, Mounting Location Any Vertical Surface, Pressure Setting Range WC 0.15 to 12 Inches, Height 6 1/8 Inches, Depth 3 5/8 Inches, Width 3 7/8 Inches, 125 to 277 VAC

Grainger Item #	2E462
Price (ea.)	$45.45
Brand	COLUMBUS ELECTRIC
Mfr. Model #	GRH3AD
UNSPSC #	39121506
Ship Qty.	1
Sell Qty. (Will-Call)	1
Ship Weight (lbs.)	1.15
Availability	Typically in Stock
Catalog Page No.	4573
Country of Origin (Country of Origin is subject to change.)	China

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Item		Air Sensing Switch
Type		HVAC/General Purpose
Differential (In. WC)		0.02 to 0.8
Switch Type		SPDT
Pressure Setting Range (In. WC)		0.05 to 12.0
Electrical Rating		300 VA Pilot Duty
Sample Line Connector		Integral Compression
Height (In.)		6-1/8
Width (In.)		3-7/8
Depth (In.)		3-5/8
Mounting Location		Any Vertical Surface
Operating Temp. Range (F)		-40 to 180
Application		Control Electronic Air Cleaners, Humidifiers, Refrigeration Equipment, Where Air Flow must be Proved
Function		Activated by Positive, Negative or Differential Air Pressure, Will Not Flutter or Malfunction Due to Shock and Vibration
Agency Compliance		CSA
Includes		1/4" Outer Diameter Tubing Nuts, Ferrules and One 12" Length of 1/4" Outer Diameter Tubing

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HVAC and Refrigeration > HVAC Controls > Duct Pressure Switches

COLUMBUS ELECTRIC Switch, Air Sensing

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HVAC and Refrigeration
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HVAC Controls
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Duct Pressure Switches