The Model 530 Air Flow Switch provides excellent sensitivity and reliability at a very reasonable price. Quality features include a rugged die cast body, stainless steel vane and SPDT snap switch. Unit is field adjustable from 400 - 1600 FPM. Mounting is fast and simple, with only two screws needed. Vane fits 6 in. or larger ducts.
SUGGESTED SPECIFICATIONAir flow switches shall be operated by a 7 ½" SS vane actuating a SPDT snap switch. Vane motion shall be restrained by a calibrated spring adjustable to the exact actuation point required. Vane motion shall be transmitted to the switch by direct mechanical linkage. Switch shall be Dwyer Instruments, Inc. Model No. 530.
| Adjustable Range: | 400 - 1600 FPM (300 - 1600 with vane vertical, pointing up) |
|---|---|
½" HP: |
125 VAC - 9.8 amp full load 58.8 amp locked rotor 250 VAC - 4.9 amp full load 29.4 amp locked rotor Pitot Duty Rating: 470 VA at 125, 250 VAC Resistive: 15 amp at 125, 250, or 480 VAC |
| Temperature: | Maximum 180°F (82°C) |
| Wiring Connections: | 3 screw type; common, normally open and normally closed |
| Conduit Connection: | ½" NPT female |
| Housing: | Aluminum die casting with chemical conversion coating for corrosion protection; steel stamping, zinc plated |
| Gasket: | Silicone rubber |
| Vane: | Stainless steel |
| Installation: | Mount in any position in horizontal duct |
| Duct Size: | 6 in. or larger |
| Weight: | 1 lb., 1 oz. |