GAI-Tronics 110438-001 User Manual

Pub. 42003-209B

GAI-TRONICS® CORPORATION

A HUBBELL COMPANY

Intrinsi cally-Safe Mi crop hone Barrier Kit

Model 10438-001

Confidentiality Notice

This manua l is provide d sole ly as an operatio nal, installation, and ma inte nance guide and conta ins
sensitive business and t e chnical informatio n tha t is confidentia l and pr opri et ary 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 manu al may not be dis clos e d in any form, in whole or in pa rt, direct ly or i ndir ectly, to a ny
third pa r ty.

General Information

The Model 10438-001 Microphone Intrinsically Safe Barrier Kit is designed for utilizing a remote
gooseneck microphone in a Class I, Div. I, Group D 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, which is approved for Class I, Div. I, Group D areas, must be used in applications where
the microphone is mounted remotely from a station. Examples include the GAI-Tronics Model 400-001
and 400-002NS Rigcom Stations.

The Model 10438-001 Microphone Intrinsically Safe Barrier Kit includes the following components:

Qty Description

1

Gooseneck Microphone Assembly with Mounting Flange

1

Class I, Div. I, Group D 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.

Model 10438-001 must be installed in accordance with GAI-Tronics Pub. 42004-381, Control Drawing #

73214.

CAUTION

on the approval listing in the Specifications section. Such installation may cause a safety hazard and
consequent injury or property damage.

WARNING

rain or moisture.

Do not install this equipment in hazardous areas other than those ind ic at e d

To reduce the ris k of fire o r ele ctrical shoc k, do not expose this app a ratus to

GAI-Tronics Corporation P.O. Box 1060, Readi ng, PA 19607-1060 USA

610-777-1374  800-492-1212  Fax: [phone]

ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS

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Mounting

NOTE: The mounting surface must be able to support the weight of the aluminum enclosure. See the
Specification section for the wei ght and dimen sions of t he unit.

The mounting location must be flat and provide proper clearance, rigidity and strength to support the
enclosure and all contained devices. The enclosure must be securely fastened with (customer supplied)
3/8-inch diameter steel mounting bolts and washers, or washer head bolts. Stainless steel is
recommended in corrosive environment applications.

Refer to Figure 1 for mounting dimensions.

Figure 1. Model 10438-001 Microphone I.S. Barrier Kit Mounting Details and Conduit Entries

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WARNING

Insure proper grounding to protective e art hing.
Do not disconne ct equipment whi le energized.

Inspect and clean the machined flange flame joint surfaces of both the cover and box. Surfaces must be
smooth, free of nicks, scratches, dirt or any foreign particle build-up that would prevent a proper seal.
Surfaces must seat fully against each other to provide a proper explosion-proof joint. Clean surfaces by
wiping with a clean lint-free cloth.

Make certain no cover bolts are omitted. Use only those bolts supplied with the enclosure.

N

OTE: The recommended torque setting for tightening the cover bolts is 8 ft-lbs (10.8 N-m)

Enclosure Configuration

The Model 10438-001 I.S. barrier enclosure contains a single PCBA where all customer connections are
made. The barrier bracket covers the intrinsically-safe terminals. Remove the bracket before connecting
the I.S. wires to the PCBA. Reattach the bracket after wiring and ensure the bracket is tight against the
bott om of the enclosure. All co nnections shou ld be proper ly lugged. The enclosure itself has eight cover
mounting bolts around the perimeter. The cover of the enclosure contains all applicable approval
labeling.

Figure 2. Model 10438-001 Microphone I.S. Barrier Kit Mounting Details and Conduit Entries

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