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Instruction Manual

D104234X012

GH04148 Proximity Switch

October 2019

4

Block Diagram

Figure 1. Block Diagram

HOUSING

GROUND

NO

NC

COM

+ SUPPLY

- SUPPLY

SENSOR

(EXTERNAL)

MAGNET

NOTES
1. COMPONENTS NOT SHOWN: TRANSIENT VOLTAGE SUPPRESSORS ACROSS LINES.
2. THE NO/NC DESIGNATIONS ARE VALID WHEN ELECTRONICS ARE POWERED. OTHERWISE BOTH CONTACTS ARE OPEN.

Maintenance

The GH04148 Switch is not intended to be serviced.

  WARNING

De-energize prior to instrument maintenance or replacement of parts.

Emerson Automation Solutions

Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Cernay, 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore

www.Fisher.com

The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.

E

 2019 Fisher Controls International LLC. All rights reserved.

Fisher is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions,
Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.

Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

Summary of Contents for Fisher GH04148

Page 1: ...more than one approval and each approval may have unique installation requirements and or conditions of safe use Special instructions are listed by agency approval To get these instructions contact your Emerson sales office Read and understand these special conditions of use before installing WARNING Failure to follow conditions of safe use could result in personal injury or property damage from f...

Page 2: ...hes of 18 AWG lead wires Install conduit seal within 18 inches Safety ground wire is 16 AWG Wire Color Circuit Description White Red DC Supply White Black DC Supply Red Normally Closed Contact Brown Common Contact Blue Normally Open Contact Green Ground Housing Safety Insulation Requirements Should be consistent with switched equipment rating and power supply rating as well as local code wiring re...

Page 3: ...IIC T6 T5 Ta 85 C T6 Ta 78 C Dust Ex tb IIIC T T92 C T85C Db IP6X 1 A Max Ingress Protection Rating per IEC 60529 IP66 Special Conditions of Safe Use 1 1 2 14 NPT conduit connection which is integral to the body of the switch to be sealed within 18 inches 2 Flame proof joints are not intended to be repaired 3 Keep cover tight while circuits are alive 4 Garder le couvercle bien fermé tant que les c...

Page 4: ...they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice E 2019 Fisher Controls International LLC A...

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