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Dwyer Air Pressure Switch: Adj, Auto Reset, 0.2 in wc to 2 in wc, Std Housing - Adjustable Set-Point Air Pressure Switches
DwyerAdjustable Set-Point Air Pressure Switches

Dwyer Air Pressure Switch: Adj, Auto Reset, 0.2 in wc to 2 in wc, Std Housing

The Dwyer ADPS-03-2-N is an adjustable set-point air pressure switch with auto reset, featuring a set-point range of 0.2 in wc to 2 in wc. It has a standard housing, SPDT contacts, and push-on terminals, with a…

SKU 3G-OTH-69028

Also listed as: ADPS032N · ADPS 03 2 N

Brand
Dwyer
Item
Air Pressure Switch: Adj, Auto Reset, 0.2 in wc to 2 in wc, Std Housing
Category
Adjustable Set-Point Air Pressure Switches
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
ADPS-03-2-N
Type
Auto Reset, 0.2 in wc to 2 in wc, Std Housing, SPDT, Push-On
AC
250V
Switch Voltage
250V AC

Technical Documents

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

Product Description

The Dwyer ADPS-03-2-N is an adjustable set-point air pressure switch with auto reset, featuring a set-point range of 0.2 in wc to 2 in wc. It has a standard housing, SPDT contacts, and push-on terminals, with a switch voltage rating of 250V AC.

Frequently Asked Questions

What is the Dwyer ADPS-03-2-N air pressure switch used for?

The Dwyer ADPS-03-2-N is used to sense low air pressure changes and switch electrical circuits at a set point. Common applications include HVAC duct static pressure monitoring, filter clog alarms, and fan status verification in commercial and industrial ventilation systems.

What are the specifications of the Dwyer ADPS-03-2-N?

The Dwyer ADPS-03-2-N is an adjustable set-point air pressure switch with auto reset. Its set-point range is 0.2 in wc to 2 in wc. It features a standard housing, SPDT contacts, push-on terminals, and a switch voltage rating of 250V AC.

Where to buy the Dwyer ADPS-03-2-N worldwide?

3G Electric supplies the Dwyer ADPS-03-2-N and handles full logistics, customs clearance, and delivery to worldwide destinations. As a global industrial sourcing partner, we provide genuine Dwyer components for HVAC and process control applications.

How to install the Dwyer ADPS-03-2-N air pressure switch?

Mount the Dwyer ADPS-03-2-N in a clean, dry location with the pressure ports oriented downward to prevent moisture ingress. Connect the high-pressure line to the marked port and the low-pressure line to the other. Wire the SPDT contacts per your control circuit, ensuring the switch voltage does not exceed 250V AC.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer 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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Cross-referenced by specification & description
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