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DwyerAdjustable Set-Point Air Pressure Switches

Dwyer 1627-1 Adjustable Set-Point Air Pressure Switch

The DWYER 1627-1 is an adjustable set-point air pressure switch with a SPDT contact configuration. It features a set-point range of 0.15 in wc to 1.5 in wc and a 1/8 in NPT sample line connection. The switch operates…

SKU 3G-OTH-69513

Also listed as: 16271 · 1627 1

Brand
Dwyer
Item
1627-1 Adjustable Set-Point Air Pressure Switch
Part Number
1627-1
Category
Adjustable Set-Point Air Pressure Switches
Available to Order
Also known as:1627-1Dwyer
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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

Dwyer
Manufacturer Part Number
1627-1
Type
0.15 in wc to 1.5 in wc, SPDT, NPT
Switch Voltage
120 to 480V AC
Sample Line Connection Size
1/8 in

Technical Documents

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

Product Description

The DWYER 1627-1 is an adjustable set-point air pressure switch with a SPDT contact configuration. It features a set-point range of 0.15 in wc to 1.5 in wc and a 1/8 in NPT sample line connection. The switch operates at 120 to 480V AC.

Frequently Asked Questions

What is the Dwyer 1627-1 pressure switch used for?

The Dwyer 1627-1 adjustable set-point air pressure switch is used to monitor or control air pressure in HVAC, ventilation, and industrial air-handling systems. It actuates an SPDT contact when pressure reaches the set point, enabling alarms, fan control, or filter monitoring.

What are the specifications of the Dwyer 1627-1 pressure switch?

The Dwyer 1627-1 has a set-point range of 0.15 in wc to 1.5 in wc, an SPDT contact configuration, and a 1/8 in NPT sample line connection. It operates at 120 to 480V AC. The manufacturer part number is 1627-1.

Where to buy the Dwyer 1627-1 pressure switch worldwide?

3G Electric supplies the Dwyer 1627-1 pressure switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the Dwyer 1627-1 pressure switch?

Mount the Dwyer 1627-1 in a clean, dry location. Connect the 1/8 in NPT sample line to the pressure source. Wire the SPDT contacts according to your control circuit (120 to 480V AC). Adjust the set-point screw to the desired trip pressure. Verify operation with a manometer.

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
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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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