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Dwyer Pressure Switch: Adj - Adjustable Set-Point Air Pressure Switches
DwyerAdjustable Set-Point Air Pressure Switches

Dwyer Pressure Switch: Adj

The Dwyer 1823-5 is an adjustable set-point air pressure switch with auto reset, offering a switch voltage range of 120 to 480V AC. It features a SPDT contact configuration and a 1.5 in wc to 5 in wc pressure range…

SKU 3G-OTH-68366

Brand
Dwyer
Item
Pressure Switch: Adj
Category
Adjustable Set-Point Air Pressure Switches
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Technical Specifications

Dwyer
Brand
DWYER
Switch Voltage
120 to 480V AC
Manufacturer Part Number
1823-5
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer 1823-5 is an adjustable set-point air pressure switch with auto reset, offering a switch voltage range of 120 to 480V AC. It features a SPDT contact configuration and a 1.5 in wc to 5 in wc pressure range, housed in a conduit box with NPT connections.

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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Manual Reset Pressure Switch: Adj, Manual Reset, 3 in wc to 11.75 in wc, SPDT, NPT, 1/8 in NPT (MPN 1900-10-MR). Key specifications — Manufacturer Part Number: 1900-10-MR; Brand: DWYER.
Differential Pressure Switch: Adj, 0.15 in wc to 0.5 in wc, SPDT, 1/8 in Sample Line Connection Size (MPN 1910-0). Key specifications — Manufacturer Part Number: 1910-0; Brand: DWYER.
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Pressure Switch: Adj, 5 psig to 150 psig, Conduit Box, SPST, NPT, 120V AC/240V AC/DC (MPN DA-31-2-7). Key specifications — Switch Voltage: 240V AC/DC; Manufacturer Part Number: DA-31-2-7; Brand: DWYER.
Pressure Switch: Adj, Auto Reset, 0.3 in wc to 1 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-1). Key specifications — Switch Voltage: 120 to 480V AC; Manufacturer Part Number: 1823-1; Brand: DWYER.
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Pressure Switch: Adj, Auto Reset, 0.3 in wc to 1 in wc, Conduit Box, SPDT, NPT, 120 to 480V AC (MPN 1823-1). Key specifications — Switch Voltage: 120 to 480V AC; Manufacturer Part Number: 1823-1; Brand: DWYER.
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Pressure Switch: Adj, 0.4 in wc to 1.6 in wc, SPDT, 1/8 in Sample Line Connection Size, NPT (MPN 1910-1). Key specifications — Switch Voltage: 250V AC; Manufacturer Part Number: 1910-1; Brand: DWYER.
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