Dwyer AVFS-2 Air Flow Switch, SPST, 30V DC/250V AC, 3 A, NEMA 4X, PBT Housing
The Dwyer AVFS-2 Air Flow Switch is a SPST device rated for 30V DC/250V AC at 3 A, with a maximum air velocity of 1,969 fpm and a minimum of 197 fpm in horizontal orientation. It features a PBT housing with a NEMA 4X…
SKU 3G-OTH-69294
Also listed as: AVFS2 · AVFS 2
Local availability & support
- Delivery
- 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.
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Product Description
The Dwyer AVFS-2 Air Flow Switch is a SPST device rated for 30V DC/250V AC at 3 A, with a maximum air velocity of 1,969 fpm and a minimum of 197 fpm in horizontal orientation. It features a PBT housing with a NEMA 4X rating, making it suitable for industrial airflow monitoring applications.
Frequently Asked Questions
What is the Dwyer AVFS-2 air flow switch used for?
The Dwyer AVFS-2 air flow switch monitors airflow in ducts or enclosures to prove fan operation or detect filter blockage. It is common in HVAC, ventilation, and industrial process systems where a reliable SPST switch at 30V DC/250V AC is needed.
What are the specifications of the Dwyer AVFS-2?
The Dwyer AVFS-2 is a SPST air flow switch rated for 30V DC/250V AC at 3 A. It detects airflow from 197 fpm (horizontal minimum) up to 1,969 fpm maximum. The housing is PBT with a NEMA 4X rating for corrosion resistance.
Where to buy the Dwyer AVFS-2 air flow switch worldwide?
3G Electric supplies the Dwyer AVFS-2 air flow switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this SPST switch rated for 30V DC/250V AC.
How to install the Dwyer AVFS-2 air flow switch?
Mount the Dwyer AVFS-2 in a horizontal duct section with the paddle oriented into the airflow. Wire the SPST contacts for 30V DC or 250V AC at up to 3 A. Ensure the minimum airflow of 197 fpm is maintained for reliable switching.
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Common applications for DwyerDwyer Products
3G Electric supplies Dwyer airflow switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
