GAI-Tronics 10438-101 User Manual
Pub. 42003-237B
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Intrinsically-Safe Microphone
Barrier Kit
Model 10438-101
Confidential ity Notice
This manual is provided solely as an operational, installation, and maintenance guide and contains
sensitive business and technical information that is confidential and proprietary to GAI-Tronics.
GAI-Tronics retains all intellectual property and other rights in or to the information contained herein,
and such information may only be used in connection with the operation of your GAI-Tronics product or
system. This manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any
third party.
General Information
The Model 10438-101 Microphone Intrinsically-Safe Barrier Kit is designed for connection exclusively to
a GAI-Tronics Model 400-003 or 400-004 Rigcom Zone 1 Station in order to utilize a remote gooseneck
microphone in a hazardous area. The kit provides an intrinsically safe barrier. This allows the use of the
microphone at a location other than the station to which it is connected. The enclosure must be used in
applications where the microphone is mounted remotely from a station.
The Model 10438-101 Microphone Intrinsically-Safe Barrier Kit includes the following components:
Qty Description
1
No. 12801-001 Gooseneck Microphone Assembly with Mounting Flange
1
No. 69544-001 Enclosure with I.S. Barrier PCBA
Installation
This enclosure must be installed by trained, qualified and competent personnel. Installation must comply
with state and national regulations, as well as safety practices for this type of equipment.
CAUTION
must be installed in separate cables or in one cable having suitable insulation in accordance with the
requirements of BS EN 60079-25 / IEC 60079-25.
Where multiple circuits extend from the same piece of associated apparatus, they
CAUTION
approval listing in the “Specifications” section. Such installation may cause a safety hazard and
consequent injury or property damage.
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
Do not install this equipment in hazardous areas other than those indicated on the
610-777-1374 800-492-1212 Fax: 610-796-5954
V
ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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Mounting
Mount the enclosure using the four 0.28-inch (7-mm) diameter holes located on the mounting flanges
with 5/16-inch (M6) hardware. One M20 thru hole is provided on the left and right sides of the enclosure.
The suggested mounting height for the enclosure is 48 inches (1219 mm) to the center of the bottom
mounting holes of the enclosure.
Refer to Figure 1 for mounting dimensions.
Figure 1. Model 10438-101 Microphone I.S. Barrier Kit Mounting Details
WARNING
Insure proper grounding to protective earthing.
Do not disconnect equipment while energized.
After all wiring and cable connections have been completed, place the front cover on the rear enclosure,
being careful not to pinch any cables. Secure the front cover using the four screws and washers provided.
Torque the screws to 50 in-lbs (5.65 N-m).
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ODEL 10438-101 Intrinsically-Safe Microphone Barrier Kit Page 3 of 6
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Enclosure Configuration
The Model 10438-101 I.S. Barrier Enclosure contains a single No 69544-001 PCBA where all customer
connections are made. Use one conductor (0.50–1.5 mm
2
) per screw terminal. Apply torque for wire
binding screws to 1.35 N-m. For wire clamps, apply torque to 2.36 N-m. All connections should be
properly lugged. The front cover of the enclosure contains all applicable approval labeling.
Figure 2. Model 10438-101 Microphone I.S. Barrier Outline Drawing
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