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CLEVELAND CONTROLS AFS-145 Adjustable Set-Point Air Pressure Switch - Adjustable Set-Point Air Pressure Switches
CLEVELAND CONTROLSAdjustable Set-Point Air Pressure Switches

CLEVELAND CONTROLS AFS-145 Adjustable Set-Point Air Pressure Switch

The CLEVELAND CONTROLS AFS-145 is an adjustable set-point air pressure switch with auto reset, covering a range of 0.05 in wc to 12 in wc. It features a SPDT switch rated at 277V AC, housed in a conduit box with NPT…

SKU 3G-OTH-68787

Also listed as: AFS145 · AFS 145

Brand
CLEVELAND CONTROLS
Item
AFS-145 Adjustable Set-Point Air Pressure Switch
Part Number
AFS-145
Category
Adjustable Set-Point Air Pressure Switches
Available to Order
Also known as:AFS-145CLEVELAND CONTROLS
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

CLEVELAND CONTROLS
Manufacturer Part Number
AFS-145
Type
Auto Reset, 0.05 in wc to 12 in wc, Conduit Box, SPDT, NPT
AC
277V
Switch Voltage
277V AC

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

Product Description

The CLEVELAND CONTROLS AFS-145 is an adjustable set-point air pressure switch with auto reset, covering a range of 0.05 in wc to 12 in wc. It features a SPDT switch rated at 277V AC, housed in a conduit box with NPT connections. This product is designed for industrial applications requiring precise pressure monitoring.

Frequently Asked Questions

What is the CLEVELAND CONTROLS AFS-145 air pressure switch used for?

The CLEVELAND CONTROLS AFS-145 is used for precise pressure monitoring in industrial HVAC, combustion, and ventilation systems. It detects positive, negative, or differential air pressure and triggers an SPDT switch at a set point, enabling automated control or alarm functions.

What are the specifications of the CLEVELAND CONTROLS AFS-145?

The AFS-145 is an adjustable set-point air pressure switch with auto reset, covering 0.05 in wc to 12 in wc. It has a SPDT switch rated at 277V AC, housed in a conduit box with NPT connections. The manufacturer part number is AFS-145 from CLEVELAND CONTROLS.

Where to buy the CLEVELAND CONTROLS AFS-145 worldwide?

3G Electric supplies the CLEVELAND CONTROLS AFS-145 worldwide. As a global industrial equipment distributor since 1990, 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-145 air pressure switch?

Mount the AFS-145 in a clean, dry location using the NPT conduit connections. Connect the SPDT switch to a 277V AC circuit per the wiring diagram. Adjust the set point within the 0.05–12 in wc range using the adjustment screw. Verify operation with a manometer.

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 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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Auto-reset SPDT switch with adjustable set-point range of 0.05 in wc to 2 in wc. Rated 277V AC. Open mounted. Used for sensing low air pressure differentials in HVAC, combustion, and industrial ventilation systems for alarm, interlock, or control functions
CLEVELAND CONTROLS
Auto-reset SPDT switch with adjustable set-point range of 0.05 in wc to 2 in wc. Rated 277V AC. Open mounted. Used for sensing low air pressure differentials in HVAC, combustion, and industrial ventilation systems for alarm, interlock, or control functions
Auto reset adjustable set-point air pressure switch with a range of 0.05 in wc to 12 in wc. Features SPDT contacts rated at 277V AC, housed in a conduit box with barb connection. Used for monitoring air pressure in HVAC systems, such as duct static pressure, filter status, and fan proving
CLEVELAND CONTROLS
Auto reset adjustable set-point air pressure switch with a range of 0.05 in wc to 12 in wc. Features SPDT contacts rated at 277V AC, housed in a conduit box with barb connection. Used for monitoring air pressure in HVAC systems, such as duct static pressure, filter status, and fan proving

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