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PSW20 Series

Pressure, vacuum or differential pressure switches

INSTRUCTION

SHEET

M4067-0504

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Installation Instructions for OMEGA PSW20 Series: Pressure, Vacuum and Differential Pressure Switches.

General

The PSW20 series is single pole switch that can be used as a pressure or vacuum switch (from 0.40 in W. C. to 20 inches W. C.) or as a pressure differential switch. The switch can respond to rapid pulsing and the gold plated silver contacts will handle low level switching currents.

Mounting Instructions

Switch may be mounted in horizontal or vertical position, through 0.12" (3mm) holes on 1.34" (34mm) centerline, with suitable clearances to accommodate 0.15" I.D tubing and electrical connectors – see diagram for dimensions.

Electrical, Pneumatic and Material/Mechanical Specification

Part

 

Pressure range

Number

(inches water, gauge)

 

Pressure

 

Vacuum

Differential

PSW20A

0.4-15

 

0.4-15

.04-15

PSW20B

1-20

 

1-20

1-20

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Omega installation instructions General, Mounting Instructions, PSW20A, PSW20B