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CLEVELAND CONTROLS Air Pressure Switch: Fixed, Auto Reset, 0.03 in wc, Open Mounted, SPDT - Fixed Set-Point Air Pressure Switches
CLEVELAND CONTROLSFixed Set-Point Air Pressure Switches

CLEVELAND CONTROLS Air Pressure Switch: Fixed, Auto Reset, 0.03 in wc, Open Mounted, SPDT

The CLEVELAND CONTROLS DFS-301 is a fixed set-point air pressure switch with an auto reset and SPDT switching action. It operates at a set point of 0.03 in wc and supports a switch voltage of 115 to 277V AC. This…

SKU 3G-OTH-69122

Brand
CLEVELAND CONTROLS
Item
Air Pressure Switch: Fixed, Auto Reset, 0.03 in wc, Open Mounted, SPDT
Category
Fixed Set-Point Air Pressure Switches
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Technical Specifications

CLEVELAND CONTROLS
Manufacturer Part Number
DFS-301
Type
Auto Reset, 0.03 in wc, Open Mounted, SPDT, Integral Compression
Switch Voltage
115 to 277V AC
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CLEVELAND CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND CONTROLS DFS-301 is a fixed set-point air pressure switch with an auto reset and SPDT switching action. It operates at a set point of 0.03 in wc and supports a switch voltage of 115 to 277V AC. This open-mounted unit features an integral compression connection.

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 fixed 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, 0.05 in wc to 12 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN AFS-298-112-147). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-298-112-147; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN AFS-298-112-147). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-298-112-147; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, Open Mounted, SPDT, Barb (MPN AFS-298-112). Key specifications — Switch Voltage: 115 to 277V AC; Manufacturer Part Number: AFS-298-112; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN AFS-298). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-298; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN AFS-298). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-298; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-228). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-228; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-228). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-228; Brand: CLEVELAND CONTROLS.
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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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.
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-271). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-271; 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-271). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: AFS-271; Brand: CLEVELAND CONTROLS.

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Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Conduit Box, SPDT, Integral Compression, 277V AC (MPN FS-751). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: FS-751; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Conduit Box, SPDT, Integral Compression, 277V AC (MPN FS-751). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: FS-751; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN DFS-221). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-221; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN DFS-221). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-221; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Fixed, Auto Reset, 0.03 in wc, Open Mounted, SPDT, Barb, 115 to 277V AC (MPN DFS-301-112). Key specifications — Switch Voltage: 115 to 277V AC; Manufacturer Part Number: DFS-301-112; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Fixed, Auto Reset, 0.03 in wc, Open Mounted, SPDT, Barb, 115 to 277V AC (MPN DFS-301-112). Key specifications — Switch Voltage: 115 to 277V AC; Manufacturer Part Number: DFS-301-112; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN DFS-448). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-448; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Push-On, 277V AC (MPN DFS-448). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-448; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN DFS-448-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-448-112; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN DFS-448-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-448-112; Brand: CLEVELAND CONTROLS.
Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN FS-751-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: FS-751-112; Brand: CLEVELAND CONTROLS.
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Air Pressure Switch: Fixed, Auto Reset, 0.05 in wc, Conduit Box, SPDT, Barb, 277V AC (MPN FS-751-112). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: FS-751-112; Brand: CLEVELAND CONTROLS.
Air Sensing Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN DFS-221-112-395). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-221-112-395; Brand: CLEVELAND CONTROLS.
CLEVELAND CONTROLS
Air Sensing Switch: Fixed, Auto Reset, 0.05 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN DFS-221-112-395). Key specifications — Switch Voltage: 277V AC; Manufacturer Part Number: DFS-221-112-395; Brand: CLEVELAND CONTROLS.