Omega Products PSW18P Installation Manual

User’s Guide

www.omega.com

e-mail: [e-mail]

PSW18P SERIES

ELECTRONIC PRESSURE SWITCH FOR PNEUMATIC APPLICATIONS

OMEGAnet®On-Line Service Internet e-mail
www.omega.com [e-mail]

Servicing North America:

USA: One Omega Drive, P.O. Box 4047

ISO 9001 Certified Stamford, CT 06907-0047

TEL: [phone] FAX: [phone]
e-mail: [e-mail]

Canada: 976 Bergar

Laval (Quebec) H7L 5A1
TEL: [phone] FAX: [phone]
e-mail: [e-mail]

For immediate technical or application assistance:

USA and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA

®

Customer Service: 1-800-622-2378 / 1-800-622-BEST

®

Engineering Service: 1-800-872-9436 / 1-800-USA-WHEN

®

TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA

Mexico: [phone]-6342 FAX: [phone]

En Espanol: [phone]-7803 e-mail: [e-mail]

[e-mail]

Servicing Europe:

Benelux: Postbus 8034, 1180 LAAmstelveen, The Netherlands

TEL: [phone] FAX: [phone]
Toll Free in Benelux: 0800 0993344
e-mail: [e-mail]

Czech Republic: Rudé armády 1868, 733 01 Karviná

TEL: [phone] FAX: [phone]
Toll Free in Czech Rep.: 0800-1-66342 e-mail: [e-mail]

France: 9, rue Denis Papin, 78190 Trappes

Tel: [phone] FAX: [phone]
Toll Free in France: 0800-4-06342
e-mail: [e-mail]

Germany/Austria: Daimlerstrasse 26, D-75392 Deckenpfronn, Germany

Tel: [phone] FAX: [phone]
Toll Free in Germany: 0800-TC-OMEGA
e-mail: [e-mail]

United Kingdom: One Omega Drive, River Bend Technology Centre
ISO 9002 Certified Northbank, Irlam, Manchester

M44 5EX, United Kingdom
Tel: [phone] FAX: [phone]
Toll Free in the United Kingdom: 0800 488 488
e-mail: [e-mail]

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGAis constantly pursuing certification of
its products to the European New Approach Directives. OMEGAwill add the CE mark to every appropriate device upon certification.
The information contained in this document is believed to be correct, but OMEGAEngineering, Inc. accepts no liability for any errors it contains, and
reserves the right to alter specifications without notice.
W ARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

MATERIALS OF CONSTRUCTION

Housing Aluminum
Seal

A & B Fluorocarbon / Buna-N
C, D, E Buna-N

SPECIFICATIONS

Ports/Mounting Plate 1/4" NPT
Adjustment Range See table
Proof Pressure* 1150 PSI (80 bar)
Temperature Rating

Ambient 14° to 175° F (-10° to 80° C)

Media -4° to 175° F (-20° to 80° C)
Switching Element SPDT Microswitch
Max. Switching Rate 100 cycles/minute
Repeatability ±3%; for vacuum ±4%
Electrical Connector DIN 43650 Table A with Removable

Cable Plug Adapter

*Note: Do not subject switch to proof pressure during normal operation.

Even short pressure peeks must not exceed proof pressure.

FEATURES

Rugged Compact Design
Convenient Setpoint Adjustments
High Cycle Life
Vibration Resistant to 15g
UL and CSA Approved Microswitch
Gold Plated Contacts

APPLICATION

Ideal for Control of Air

Terminals 1 - 2: Contacts open on rising pressure.
Terminals 1 - 3: Contacts close on rising pressure.

All dimensions in inches (mm)

2

3

1

p

.79 (20)

1.18 (30)

.59 (15)

.21 (5.3)

.61*

(15.5)

2.83 (72)

1.18 (30)

2.95 (75)

1

/4 NPT

Switch Adjustment

PART NUMBER IDENTIFICATION

PART NUMBER PRESSURE RANGE HYSTERESIS*

PSI PSI

Lower Range Upper Range

PSW18PA -14 – 0 2 3
PSW18PB 3 – 29 2 4
PSW18PC 7 – 120 4 9
PSW18PD 15 – 230 4 13
PSW18PE 15 – 435 15 73

*Note: Hysteresis is not adjustable. Maximum values are shown.

PSW18P Series

PNEUMATIC, DIAPHRAGM-STYLE PRESSURE SWITCH