| Mounting Location | Any Vertical Surface |
| Width (In.) | 3 7/8 in |
| Pressure Setting Range (In. WC) | 0.05 to 12.0 |
| Item | Air Sensing Switch |
| Agency Compliance | CSA Approved, RoHS Compliant, UL Listed |
| Sample Line Connector | Integral Compression |
| Application | Air Filtration, Humidity Detection and Control, Refrigeration |
| Height (In.) | 6 1/8 in |
| Includes | 1/4 in Outer Diameter Tubing Nuts, Ferrules |
| Function | Activated by Positive, Negative or Differential Air Pressure, Will Not Flutter or Malfunction Due to Shock and Vibration |
| Differential (In. WC) | 0.02 to 0.8 |
| Operating Temp. Range (F) | -40 to 180 |
| Type | HVAC/General Purpose |
| Electrical Rating | 300 VA Pilot Duty |
| Depth (In.) | 3 5/8 in |
| Switch Type | SPDT |
| Maximum Operating Temperature | 180 Degrees F |
| Pressure Setpoint Type | Adjustable |
| Number of Switches | 1 |
| Minimum Differential Pressure Setting | 0.02 in wc |
| Maximum Differential Pressure Setting | 0.8 in wc |
| Minimum Operating Temperature | -40 Degrees F |
| Housing Type | Conduit Box |
| Pressure Type | Differential, Negative |
| Sample Line Connector Type | Integral Compression |
| Reset Type | Automatic Reset |
| Product Type | Air Pressure Switch |
| Mounting Orientation | Vertical |
| Standards | CSA Certified, RoHS Compliant, UL Listed |
| Overall Height | 6 1/8 in |
| Input Voltage | 125V AC, 208V AC, 24V AC, 250V AC, 277V AC |
| Overall Depth | 3 5/8 in |
| Overall Width | 3 7/8 in |
| Minimum Pressure Setting | 0.05 in wc |
| Contact Form | SPDT |
| Sample Line Connection Size | 1/4 in |
| Maximum Pressure Setting | 12 in wc |
| Country of Origin (subject to change) | China |
| Package Quantity | 1 |
Switch, Air Sensing, COLUMBUS ELECTRIC, Mfr# GRH3AD
$53,15
Free shipping will be applied on orders over $50
Air Sensing Switch, Pressure Setpoint Type Adjustable, Pressure Type Differential, Negative, Mounting Orientation Vertical, Maximum Pressure Setting 12 in wc, Minimum Pressure Setting 0.05 in wc, Maximum Differential Pressure Setting 0.8 in wc, Minimum Differential Pressure Setting 0.02 in wc, Sample Line Connection Size 1/4 in, Sample Line Connector Type Integral Compression, Electrical Rating 300 VA Pilot Duty, Input Voltage 125V AC, 208V AC, 24V AC, 250V AC, 277V AC, Contact Form SPDT
9999 in stock
Must order in multiples of 1
Subtotal:
$53.15
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