User guide

The Model 530 Air Flow Switch provides excellent 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 Instruments, Inc.
Model 530 Air Flow Switch.
CAUTION: For use only with air or non-combustible, non-corrosive
gases. Unit is not sealed against dust.
Model 530 Air Flow Switch
Specifications - Installation and Operating Instructions
Bulletin E-65
DWYER INSTRUMENTS, INC. Phone: [phone] www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: [phone] e-mail: [e-mail]
SPECIFICATIONS
Service: Air and non-combustible gas flow.
Wetted Materials: Contact factory.
Vane: SS.
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)