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Product Specifications:
| Item | Air Sensing Switch |
| Application | Energy Management, Hvac |
| Contact Form | SPDT |
| Depth | 3 1/4" |
| Differential (in. Wc) | 0.02 to 0.8 |
| Differential Pressure | 0.02 in. wc to 0.8 in. wc |
| Electrical Connection Type | Hardwired |
| Electrical Rating | 15A Non-Inductive to 277V AC, 300 VA Pilot Duty @ 115-277V AC |
| Electrical Rating | 300 VA Pilot Duty |
| For Pressure Type | Positive, Negative, Differential |
| Function | Senses Positive, Negative Or Differential Air Pressure Or When Extreme Low Temperature Or Pressure Is A Critical Factor |
| Height | 6 1/8" |
| Housing Material | Steel |
| Housing Type | Conduit Box |
| Included | (2) Slip-On Tubing Adapters, Mounting Screws |
| Max. Operating Temp. | 180°F |
| Min. Operating Temp. | -40°F |
| Mounting Hole Center To Center Distance | 3 7/8" |
| Mounting Hole Dia. | 3/16" |
| Mounting Orientation | Vertical |
| No. Of Switches | 1 |
| Operating Temp. | -40°F to +180°F |
| Overall Depth | 3 1/4" |
| Overall Height | 6 1/8" |
| Overall Width | 3 1/4" |
| Pressure Set Point | 0.05 in. wc to 12 in. wc |
| Pressure Setting | 0.05 in. wc to 12 in. wc |
| Pressure Setting Range | 0.05 to 12.0 In. WC |
| Product Datasheet | cleveland-controls-afs-222-139.pdf |
| Product Type | Air Pressure Switch |
| Reset Type | Automatic Reset |
| Sample Line Connection | 1/4" |
| Sample Line Connection Size | 1/4" |
| Sample Line Connection Type | Integral Compression |
| Sample Line Connector | Integral Compression |
| Sample Line Connector Type | Integral Compression |
| Switch Voltage | 277V AC |
| Switching Differential | 0.02 in. wc to 0.8 in. wc |
| Type | General Purpose/HVAC |
| Type Of Set Point | Adjustable |
| Voltage | 277V AC |
| Width | 3 1/4" |
Shipping Info:
| Ship weight (kg) | 0.56 |
| Ship height (cm) | 22.1 |
| Ship length (cm) | 17.27 |
| Ship width (cm) | 14.73 |
| HS code | 8536509065 |
| Country of Origin | US |
Product Details:
- AFS Series adjustable differential pressure switch used to measure positive, negative and differential air pressure in energy management and HVAC applications
- Comes equipped with an enclosure cover which prevents accidental contacts between the live switch terminal screws and the set point adjusting screw
- Features a calibration spring and a snap-acting SPDT switch for accurate and quick results
- Adheres to UR, CSA and FM standards
Documentation:
Product Variants
| Product | Model | Sample Line Connection Size | Sample Line Connector Type | Electrical Connection Type | Pressure Set Point | Contact Form | Reset Type | Switching Differential | Product Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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AFS-405-140 | 1/4" | - | - | - | - | - | - | - | €96.20 | |
![]() |
AFS-460-142 | 1/4" | Integral Compression | Hardwired | 0.4 in. wc to 12 in. wc | SPDT | Manual Reset | 0.02 in. wc to 0.8 in. wc | Air Pressure Switch | €91.57 | |
![]() |
AFS-442 | 1/8" | NPT | Screw Terminal | 0.05 in. wc to 2 in. wc | SPDT | Automatic Reset | 0.02 in. wc to 0.1 in. wc | Air Pressure Switch | €106.99 | |
![]() |
AFS-398 | 1/4" | Integral Compression | Hardwired | 0.03 in. wc to 2 in. wc | SPDT | Automatic Reset | 0.02 in. wc to 0.1 in. wc | Switch | €83.17 | |
![]() |
AFS-298-112-147 | 1/8", 1/4" | Barb | Hardwired | 0.05 in. wc to 12 in. wc | SPDT | Automatic Reset | 0.02 in. wc to 0.8 in. wc | Switch | €84.28 | |
![]() |
AFS-953 | 1/4" | NPT | Hardwired | 0.03 in. wc to 12 in. wc | SPDT | Automatic Reset | 0.02 in. wc to 0.8 in. wc | Switch | €869.35 | |
![]() |
AFS-A | 1/8", 1/4" | NPT | Hardwired | 0.05 in. wc to 12 in. wc | SPDT | Automatic Reset | 0.02 in. wc to 0.8 in. wc | Air Flow Switch | €94.32 |
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CLEVELAND CONTROLS AFS-222-139 Air Sensing Switch, Adjustable, Auto Reset, 0.05 to 12 Inch Water Column, Conduit Box, SPDT, Integral Compression
€60.92 /unit





