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CLEVELAND CONTROLS Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, NEMA-4 Enclosure - Adjustable Set-Point Air Pressure Switches
CLEVELAND CONTROLSAdjustable Set-Point Air Pressure Switches

CLEVELAND CONTROLS Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, NEMA-4 Enclosure

The CLEVELAND CONTROLS AFS-951-1 is an adjustable set-point air pressure switch with auto reset, featuring a 0.05 in wc to 12 in wc range. It includes a NEMA-4 enclosure, SPDT contacts, and NPT connections, operating…

SKU 3G-OTH-69622

Also listed as: AFS9511 · AFS 951 1

Brand
CLEVELAND CONTROLS
Item
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, NEMA-4 Enclosure
Category
Adjustable Set-Point Air Pressure Switches
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Technical Specifications

CLEVELAND CONTROLS
Manufacturer Part Number
AFS-951-1
Type
Auto Reset, 0.05 in wc to 12 in wc, NEMA-4 Enclosure, SPDT, NPT
AC
277V
Switch Voltage
277V AC

Technical Documents

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CLEVELAND CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND CONTROLS AFS-951-1 is an adjustable set-point air pressure switch with auto reset, featuring a 0.05 in wc to 12 in wc range. It includes a NEMA-4 enclosure, SPDT contacts, and NPT connections, operating at 277V AC.

Frequently Asked Questions

What is the CLEVELAND CONTROLS AFS-951-1 air pressure switch used for?

The CLEVELAND CONTROLS AFS-951-1 is used to monitor and control air pressure in HVAC, ventilation, and industrial air-handling systems. It automatically resets after a pressure change, making it suitable for duct static pressure, filter monitoring, and fan proving applications.

What are the specifications of the CLEVELAND CONTROLS AFS-951-1?

The AFS-951-1 is an adjustable set-point air pressure switch with a range of 0.05 in wc to 12 in wc. It features a NEMA-4 enclosure, SPDT contacts, NPT connections, and operates at 277V AC. It is an auto-reset model from CLEVELAND CONTROLS.

Where to buy the CLEVELAND CONTROLS AFS-951-1 worldwide?

You can source the CLEVELAND CONTROLS AFS-951-1 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the CLEVELAND CONTROLS AFS-951-1 air pressure switch?

Mount the switch in a dry location using the NPT connection. Connect the SPDT contacts per your control circuit (277V AC max). Adjust the set-point within the 0.05 in wc to 12 in wc range using the adjustment screw. Ensure the NEMA-4 cover is sealed after wiring.

Used in

Common applications for CLEVELAND CONTROLS
HVAC duct static pressure monitoring — Cleveland Controls static pressure probes (e.g., model 21118) used in air handling units
Burner draft pressure control — Cleveland Controls adjustable set-point switches (e.g., AFS-A) for combustion air proving
Industrial process air flow measurement — Cleveland Controls total pressure probes (e.g., model 21123) in ventilation systems
Building automation system pressure sensing — Cleveland Controls switches (e.g., RFS-4150) for filter clog detection
Exhaust fan interlock — Cleveland Controls pressure switches (e.g., AFS-222-112) for proving fan operation

CLEVELAND CONTROLS Products

3G Electric supplies CLEVELAND CONTROLS adjustable set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 2 in wc, NEMA-4 Enclosure, SPDT, NPT, 120V AC (MPN AFS-952-1)
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Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 2 in wc, NEMA-4 Enclosure, SPDT, NPT, 120V AC (MPN AFS-952-1)
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, NEMA-1 Enclosure, SPDT, NPT, 115V AC (MPN AFS-953)
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Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, NEMA-1 Enclosure, SPDT, NPT, 115V AC (MPN AFS-953)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, NPT, 277V AC (MPN AFS-145)
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, NPT, 277V AC (MPN AFS-145)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-304)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-304)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN AFS-298)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN AFS-298)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-228)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-228)

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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, NPT, 277V AC (MPN AFS-A)
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