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Air
Flow Switch Model 530 |
 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. |
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| SUGGESTED SPECIFICATION |
| Air 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. |
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| PHYSICAL DATA |
Adjustable Range:
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400 - 1600 FPM
(300 - 1600 with vane vertical, pointing up)
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Electrical:
½" HP:
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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
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Temperature:
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Maximum 180°F (82°C) |
Wiring Connections:
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3 screw type; common, normally open and normally closed |
Conduit Connection:
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½" NPT female |
Housing:
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Aluminum die casting with chemical conversion coating for corrosion protection; steel stamping, zinc plated |
Gasket:
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Silicone rubber |
Vane:
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Stainless steel |
Installation:
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Mount in any position in horizontal duct |
Duct Size:
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6 in. or larger |
Weight:
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1 lb., 1 oz. |
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| CAUTION: FOR USE ONLY WITH
AIR OR NON-COMBUSTIBLE NON-CORROSIVE GASES. UNIT IS NOT
SEALED AGAINST DUST. |
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