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CLEVELAND CONTROLS Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box - 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 2 in wc, Conduit Box

The CLEVELAND CONTROLS AFS-262-121 is an adjustable set-point air pressure switch with auto reset, covering a range of 0.05 in wc to 2 in wc. It features a SPDT switching action, a conduit box enclosure, and an…

SKU 3G-OTH-69443

Also listed as: AFS262121 · AFS 262 121

Brand
CLEVELAND CONTROLS
Item
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box
Category
Adjustable Set-Point Air Pressure Switches
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CLEVELAND CONTROLS
Manufacturer Part Number
AFS-262-121
Type
Auto Reset, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression
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-262-121 is an adjustable set-point air pressure switch with auto reset, covering a range of 0.05 in wc to 2 in wc. It features a SPDT switching action, a conduit box enclosure, and an integral compression connection, with a switch voltage rating of 277V AC.

Frequently Asked Questions

What is the CLEVELAND CONTROLS AFS-262-121 air pressure switch used for?

The CLEVELAND CONTROLS AFS-262-121 is used to sense positive or negative air pressure in HVAC ducts, exhaust systems, or industrial air-handling equipment. It triggers an SPDT switch when pressure reaches the adjustable set-point, enabling fan proving, filter monitoring, or damper control.

What are the specifications of the CLEVELAND CONTROLS AFS-262-121?

The AFS-262-121 is an adjustable set-point air pressure switch with auto reset, covering 0.05 in wc to 2 in wc. It features SPDT switching, a conduit box enclosure, integral compression connection, and a switch voltage rating of 277V AC. The manufacturer part number is AFS-262-121.

Where to buy the CLEVELAND CONTROLS AFS-262-121 worldwide?

3G Electric supplies the CLEVELAND CONTROLS AFS-262-121 air pressure switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the CLEVELAND CONTROLS AFS-262-121 air pressure switch?

Mount the switch in a dry location with the diaphragm vertical to avoid condensation buildup. Connect the integral compression fitting to the pressure source using appropriate tubing. Wire the SPDT contacts per the wiring diagram for 277V AC. Adjust the set-point screw to the desired pressure range.

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, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression (MPN AFS-262)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression (MPN AFS-262)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-262-112)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-262-112)
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression (MPN AFS-398)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression (MPN AFS-398)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, 277V AC (MPN AFS-222-136)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, 277V AC (MPN AFS-222-136)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-222-112)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-222-112)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, NPT, 277V AC (MPN AFS-145)
CLEVELAND CONTROLS
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, 0.1 in wc to 10 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN NS2-0000-00)
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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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, NPT, 277V AC (MPN AFS-A)
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, NEMA-1 Enclosure, SPDT, NPT, 120V AC (MPN AFS-952)
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Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, NEMA-1 Enclosure, SPDT, NPT, 120V AC (MPN AFS-952)
Air Pressure Switches: Adj, Manual Reset, 0.08 in wc to 1 in wc, Open Mounted, SPDT, Push-On (MPN ANS2-1000-00k)
CLEVELAND CONTROLS
Air Pressure Switches: Adj, Manual Reset, 0.08 in wc to 1 in wc, Open Mounted, SPDT, Push-On (MPN ANS2-1000-00k)