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CLEVELAND CONTROLS DFS-448 Fixed Set-Point Air Pressure Switch - Fixed Set-Point Air Pressure Switches
CLEVELAND CONTROLSFixed Set-Point Air Pressure Switches

CLEVELAND CONTROLS DFS-448 Fixed Set-Point Air Pressure Switch

The CLEVELAND CONTROLS DFS-448 is a fixed set-point air pressure switch with auto reset, designed for open mounting. It features a 0.05 in wc set point, SPDT contacts, and push-on terminals, operating at 277V AC.

SKU 3G-OTH-69231

Also listed as: DFS448 · DFS 448

Brand
CLEVELAND CONTROLS
Item
DFS-448 Fixed Set-Point Air Pressure Switch
Part Number
DFS-448
Category
Fixed Set-Point Air Pressure Switches
Available to Order
Also known as:DFS-448CLEVELAND CONTROLS
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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-448
Type
Auto Reset, 0.05 in wc, Open Mounted, SPDT, Push-On
AC
277V
Switch Voltage
277V AC

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

Product Description

The CLEVELAND CONTROLS DFS-448 is a fixed set-point air pressure switch with auto reset, designed for open mounting. It features a 0.05 in wc set point, SPDT contacts, and push-on terminals, operating at 277V AC.

Frequently Asked Questions

What is the CLEVELAND CONTROLS DFS-448 air pressure switch used for?

The DFS-448 is a fixed set-point air pressure switch used to sense low differential air pressure in HVAC, combustion, and ventilation systems. It provides SPDT switching at 277V AC for proving airflow, filter monitoring, or damper control.

What are the specifications of the CLEVELAND CONTROLS DFS-448?

The DFS-448 is a fixed set-point air pressure switch with auto reset, 0.05 in wc set point, SPDT contacts, and push-on terminals. It operates at 277V AC and is open mounted. The manufacturer part number is DFS-448 from CLEVELAND CONTROLS.

Where to buy the CLEVELAND CONTROLS DFS-448 worldwide?

3G Electric supplies the CLEVELAND CONTROLS DFS-448 air pressure switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fixed set-point switch.

How to install the CLEVELAND CONTROLS DFS-448 air pressure switch?

Mount the DFS-448 in an open position with the pressure ports connected to the sensed air source. Wire the SPDT push-on terminals per your control circuit at 277V AC. Ensure the set point of 0.05 in wc matches your application before commissioning.

Used in

Common applications for CLEVELAND CONTROLS
HVAC duct airflow monitoring — Cleveland Controls static pressure probe with 1/2 in smooth connection and 4 in insertion length (MPN 21117) for measuring static pressure in supply or return ducts.
Filter differential pressure monitoring — Cleveland Controls static pressure probe with 1 in barb connection and 3 1/2 in insertion length (MPN 21398-112) used to sense pressure drop across filters.
Clean room pressure control — Cleveland Controls static pressure probe with 1/2 in barb connection and 8 in insertion length (MPN 21119-112) for low-pressure measurement in controlled environments.
Combustion air proving — Cleveland Controls static pressure probe with 1 in smooth connection and 1 1/2 in insertion length (MPN 21397) to verify airflow in burner systems.
Ventilation system balancing — Cleveland Controls static pressure probe with 1/2 in smooth connection and 6 in insertion length (MPN 21118) for measuring pressure in large ducts.
Industrial exhaust monitoring — Cleveland Controls static pressure probe with 1 in barb connection and 2 in insertion length (MPN 21116-112) for pressure sensing in exhaust stacks.
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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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