Omega PSW20 User Manual download pdf

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PSW20 Series

Pressure, vacuum or differential pressure switches

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

Number

Pressure range

(inches water, gauge)

Pressure Vacuum Differential

PSW20A 0.4-15 0.4-15 .04-15

PSW20B 1-20 1-20 1-20

INSTRUCTION

SHEET

1 2 3 4

PSW20 Series 1
M4067/0504 4

Summary of Contents

Page 1 - PSW20 Series

PSW20 SeriesPressure, vacuum or differential pressure switchesM4067-0504 Shop online at: omega.com e-mail: [email protected] For latest product manu

Page 2

StandardElectrical ratingRepeatAccuracyPartNumberMax.ResistiveMinResistiveConstantTemperatureContactResistance (ohms)PSW20A 750ma250VAC5 ma3 VDC+/- 4

Page 3

Media in Contact with Electrical ContactsNote that the pressure media entering through Port A is in direct contact with the electrical contacts in the

Page 4 - M4067/0504

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its pr

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Omega PSW20 User Manual

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