CLEVELAND CONTROLS DFS-221 Fixed Set-Point Air Pressure Switch
The CLEVELAND CONTROLS DFS-221 is a fixed set-point air pressure switch with auto reset, designed for open mounting. It features a single-pole double-throw (SPDT) switch with push-on terminals and a set point of 0.05…
SKU 3G-OTH-69249
Also listed as: DFS221 · DFS 221
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 CLEVELAND CONTROLS DFS-221 is a fixed set-point air pressure switch with auto reset, designed for open mounting. It features a single-pole double-throw (SPDT) switch with push-on terminals and a set point of 0.05 in wc, operating at 277V AC.
Frequently Asked Questions
What is the CLEVELAND CONTROLS DFS-221 air pressure switch used for?
The DFS-221 is a fixed set-point air pressure switch used in HVAC and industrial applications to sense positive or negative air pressure and actuate an SPDT switch at 0.05 in wc. It is commonly applied in duct static pressure monitoring, filter clog alarms, and fan proving circuits.
What are the specifications of the CLEVELAND CONTROLS DFS-221?
The DFS-221 is a fixed set-point air pressure switch with auto reset, open mounting, and SPDT contacts. It operates at 277V AC and uses push-on terminals. The set point is 0.05 in wc. The manufacturer part number is DFS-221 from CLEVELAND CONTROLS.
Where to buy the CLEVELAND CONTROLS DFS-221 worldwide?
3G Electric supplies the CLEVELAND CONTROLS DFS-221 air pressure switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this fixed set-point switch.
How to install the CLEVELAND CONTROLS DFS-221 air pressure switch?
Mount the DFS-221 in a clean, dry location with the pressure port connected to the sensed air source. Use push-on terminals for wiring the SPDT circuit at 277V AC. Ensure the set point of 0.05 in wc is not adjusted, as this is a fixed model. Follow local electrical codes.
Used in
Common applications for CLEVELAND CONTROLSCLEVELAND CONTROLS Products
3G Electric supplies CLEVELAND CONTROLS fixed set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.