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Dwyer Differential Pressure Switch: Adj, Auto Reset, 0 in wc to 45 in wc, NEMA-3 Enclosure - Hazardous Location Adjustable Set-Point Air Pressure Switches
DwyerHazardous Location Adjustable Set-Point Air Pressure Switches

Dwyer Differential Pressure Switch: Adj, Auto Reset, 0 in wc to 45 in wc, NEMA-3 Enclosure

The Dwyer 1950-1-2F is a hazardous location adjustable set-point air pressure switch with an auto reset function. It features a differential pressure range of 0 in wc to 45 in wc, a NEMA-3 enclosure, and a SPDT…

SKU 3G-OTH-68118

Brand
Dwyer
Item
Differential Pressure Switch: Adj, Auto Reset, 0 in wc to 45 in wc, NEMA-3 Enclosure
Category
Hazardous Location Adjustable Set-Point Air Pressure Switches
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Technical Specifications

Dwyer
Manufacturer Part Number
1950-1-2F
Type
Auto Reset, 0 in wc to 45 in wc, NEMA-3 Enclosure, SPDT, NPT
Switch Voltage
480V AC
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer 1950-1-2F is a hazardous location adjustable set-point air pressure switch with an auto reset function. It features a differential pressure range of 0 in wc to 45 in wc, a NEMA-3 enclosure, and a SPDT switch rated at 480V AC. This model uses an NPT connection and is designed for use in hazardous environments.

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 hazardous location 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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