Pub. 42004-358A
GAI-TRONICS 3030 KUTZTOWN RD. READING, PA 19605 USA
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Model 10439-102
Electrical Safety Barrier for Centra-Page
Systems
Confidentiality 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 10439-102 Electrical Safety Barrier is used in GAI-Tronics Centra-Page communications
systems. This system provides industrial quality intra-plant communications in both hazardous and non-
hazardous areas.
GAI-Tronics Centra-Page system provides dependable paging and party line communications for rugged
and hazardous industrial facilities. Centra-Page features centrally-located electronics that provide
environmental protection and unitized amplification for easy maintenance. Standard Centra-Page
cabinets can support up to 30 handset stations and in most cases up to 60 paging speakers.
The listed handset stations, when installed with a corresponding Model 10439-102 Electrical Safety
Barrier in accordance with Control Drawing No. 72979, provides intrinsically safe communications in
Class I, Div. 1, Group C and D hazardous areas. One barrier is required for each handset station located
in a Class I, Div. 1, Group C and D hazardous area in a Centra-Page system.
In Centra-Page systems, barriers are not installed in conjunction with speakers or horn/driver
combinations: speakers and horn/driver combinations located in Div. 1 hazardous areas must be
explosion-proof and be installed with explosion-proof conduit.
