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CLEVELAND CONTROLS Air Pressure Switch: Adj, Auto Reset, 0.03 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, 0.03 in wc to 2 in wc, Conduit Box

The CLEVELAND CONTROLS AFS-398 is an adjustable set-point air pressure switch with auto reset, designed for sensing differential pressure from 0.03 in wc to 2 in wc. It features a single-pole double-throw (SPDT)…

SKU 3G-OTH-68445

Brand
CLEVELAND CONTROLS
Item
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 2 in wc, Conduit Box
Category
Adjustable Set-Point Air Pressure Switches
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Technical Specifications

CLEVELAND CONTROLS
Manufacturer Part Number
AFS-398
Type
Auto Reset, 0.03 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression
Switch Voltage
277V AC
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CLEVELAND CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND CONTROLS AFS-398 is an adjustable set-point air pressure switch with auto reset, designed for sensing differential pressure from 0.03 in wc to 2 in wc. It features a single-pole double-throw (SPDT) switching action and a switch voltage rating of 277V AC. The unit is housed in a conduit box with an integral compression connection, making it suitable for industrial air pressure monitoring applications.

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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Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 2 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-398-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-398-112; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 2 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-398-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-398-112; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression (MPN AFS-262). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-262; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression (MPN AFS-262). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-262; Brand: 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). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-145; Brand: CLEVELAND CONTROLS.
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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). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-145; Brand: 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). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-222-136; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, 277V AC (MPN AFS-222-136). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-222-136; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, NPT, 277V AC (MPN AFS-A). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-A; Brand: CLEVELAND CONTROLS.
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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). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-A; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, Conduit Box, SPDT, Barb (MPN AFS-405-112). Key specifications — Switch Voltage: 115 to 277V AC; Manufacturer Part Number: AFS-405-112; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, Conduit Box, SPDT, Barb (MPN AFS-405-112). Key specifications — Switch Voltage: 115 to 277V AC; Manufacturer Part Number: AFS-405-112; Brand: CLEVELAND CONTROLS.

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Air Pressure Switch: Adj, Manual Reset, 0.4 in wc to 12 in wc, Conduit Box, SPDT, 240V AC (MPN AFS-460-137). Key specifications — Switch Voltage: 240V AC; Manufacturer Part Number: AFS-460-137; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-222-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-222-112; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN AFS-222-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-222-112; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, NEMA-4 Enclosure, SPDT, NPT, 277V AC (MPN AFS-951-1). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-951-1; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, NEMA-4 Enclosure, SPDT, NPT, 277V AC (MPN AFS-951-1). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-951-1; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, 24V AC (MPN AFS-222-137). Key specifications — Switch Voltage: 24V AC; Manufacturer Part Number: AFS-222-137; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Conduit Box, SPDT, Integral Compression (MPN AFS-262-121). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-262-121; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Manual Reset, 0.25 in wc to 12 in wc, Conduit Box, SPDT (MPN AFS-305). Key specifications — Switch Voltage: 250V AC; Manufacturer Part Number: AFS-305; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-304). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-304; Brand: CLEVELAND CONTROLS.
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