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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-301-112 is a fixed set-point air pressure switch with auto reset, SPDT contacts, and a barb connection. It operates at a set point of 0.03 in wc and is open mounted, with a switch voltage…

SKU 3G-OTH-69103

Also listed as: DFS301112 · DFS 301 112

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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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CLEVELAND CONTROLS
Manufacturer Part Number
DFS-301-112
Type
Auto Reset, 0.03 in wc, Open Mounted, SPDT, Barb
AC
115 to 277V
Switch Voltage
115 to 277V AC

Technical Documents

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

Product Description

The CLEVELAND CONTROLS DFS-301-112 is a fixed set-point air pressure switch with auto reset, SPDT contacts, and a barb connection. It operates at a set point of 0.03 in wc and is open mounted, with a switch voltage range of 115 to 277V AC.

Frequently Asked Questions

What is the CLEVELAND CONTROLS DFS-301-112 air pressure switch used for?

The DFS-301-112 is a fixed set-point air pressure switch used in HVAC and industrial applications to sense low air pressure or airflow. It automatically resets and switches SPDT contacts at 0.03 in wc, making it suitable for filter monitoring, duct static pressure, or fan proving.

What are the specifications of the CLEVELAND CONTROLS DFS-301-112?

The DFS-301-112 is a fixed set-point air pressure switch with auto reset, SPDT contacts, and a barb connection. It operates at 0.03 in wc, is open mounted, and has a switch voltage range of 115 to 277V AC. The manufacturer part number is DFS-301-112 from CLEVELAND CONTROLS.

Where to buy the CLEVELAND CONTROLS DFS-301-112 worldwide?

3G Electric supplies the CLEVELAND CONTROLS DFS-301-112 air pressure switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the CLEVELAND CONTROLS DFS-301-112 air pressure switch?

Mount the switch in a clean, dry location with the barb connection oriented downward to prevent moisture ingress. Connect the SPDT contacts per your control circuit (115 to 277V AC). Ensure the set point of 0.03 in wc matches your system requirements. Follow CLEVELAND CONTROLS guidelines for safe installation.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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)
CLEVELAND CONTROLS
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)
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, Open Mounted, SPDT, Barb (MPN AFS-298-112)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.03 in wc to 12 in wc, Open Mounted, SPDT, Barb (MPN AFS-298-112)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN AFS-275-112)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, Barb, 277V AC (MPN AFS-275-112)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, 115 to 277V AC (MPN AFS-227-161)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT, 115 to 277V AC (MPN AFS-227-161)
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-271)
CLEVELAND CONTROLS
Air Pressure Switch: Adj, Auto Reset, 0.05 in wc to 2 in wc, Open Mounted, SPDT, 277V AC (MPN AFS-271)
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)

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