Dwyer Air Flow Switch: Adj, 0.15 in wc to 0.5 in wc, SPDT, 1/8 in Sample Line Connection Size
The Dwyer 1920-0 is an adjustable set-point air pressure switch with a sample line connection size of 1/8 in NPT. It features a SPDT switch rated at 125V AC and an adjustable set-point range of 0.15 in wc to 0.5 in wc.
SKU 3G-OTH-68981
Also listed as: 19200 · 1920 0
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
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Product Description
The Dwyer 1920-0 is an adjustable set-point air pressure switch with a sample line connection size of 1/8 in NPT. It features a SPDT switch rated at 125V AC and an adjustable set-point range of 0.15 in wc to 0.5 in wc.
Frequently Asked Questions
What is the Dwyer 1920-0 air flow switch used for?
The Dwyer 1920-0 adjustable set-point air flow switch detects low air pressure or flow changes in HVAC ducts, fume hoods, or filter monitoring systems. It actuates an SPDT switch at set points from 0.15 in wc to 0.5 in wc, enabling alarm or control signals.
What are the specifications of the Dwyer 1920-0?
The Dwyer 1920-0 has an adjustable set-point range of 0.15 in wc to 0.5 in wc, a 1/8 in NPT sample line connection, and an SPDT switch rated at 125V AC. It is a compact air pressure switch for low-differential applications.
Where to buy the Dwyer 1920-0 worldwide?
3G Electric supplies the Dwyer 1920-0 air flow switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this adjustable set-point switch.
How to install the Dwyer 1920-0 air flow switch?
Mount the Dwyer 1920-0 in a clean, dry location with the pressure ports oriented downward to prevent moisture ingress. Connect the 1/8 in NPT sample line and wire the SPDT contacts per your control circuit. Adjust the set-point screw to the desired trip level between 0.15 in wc and 0.5 in wc.
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Common applications for DwyerDwyer 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.
