Dwyer Instruments 530 Installation And Operating Instructions

Patent No. 4,725,700
The Dwyer Model 530 Air Flow Switch provides excel-
lent sensitivity and reliability at a very reasonable price.
Quality features include rugged die cast zinc body,
stainless steel vane, silicone rubber gasket and SPDT
snap switch. Unit is easily field adjustable from 400-
1600 FPM. Mounting is fast and simple, requiring only
two screws. Vane fits 6 in. or larger ducts. UL approved.
To order, specify Dwyer Model 530 Air Flow Switch.
CAUTION: For use only with air or non-combustible,
non-corrosive gases. Unit is not sealed against dust.
DWYER INSTRUMENTS, INC.
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A.
Model 530 Air Flow Switch
Specifications - Installation and Operating Instructions
Phone: 219/879-8000
Fax: 219/872-9057

SPECIFICATIONS

Service: Air and non-combustible gas flow.
Wetted Materials: Contact factory.
Vane: Stainless Steel.
Temperature Limit: 180°F (82°C).
Switch Type: SPDT.
Electrical Rating: 125 VAC - 9.8 amp full load 58.8
amp locked rotor. 250 VAC - 4.9 amp full load 29.4 amp
locked rotor. Pilot Rating: 470 VA at 125, 250 VAC.
Resistive: 15 amp at 125, 250, or 480 VAC.
Electrical Connections: Screw type terminal.
Conduit Connection: 7/8˝ conduit hole.
Mounting Orientation: Horizontal duct flow
Set Point Adjustment: Screw type.
Weight: 1 lb, 1 oz (481.94 g)
Bulletin E-65
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