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Dwyer - Instruments Inc, U.S.A. |
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Air Flow Switch
Model 530
Adjustable from 400-1600 FPM Stainless Steel Vane
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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 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.
PHYSICAL DATA
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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)
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Wiring
Connections:
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3
screw type; common, normally open and normally closed
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Conduit
Connection:
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½"
NPT female
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Housing:
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Aluminum
die casting with chemical conversion coating for corrosion protection;
steel stamping, zinc plated
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Gasket:
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Silicone
rubber
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Vane:
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Stainless
steel
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Installation:
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Mount
in any position in horizontal duct
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Duct
Size:
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6
in. or larger
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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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