IEC 61643-312:2013 

Components for low-voltage surge protective devices - Part 312: Selection and application principles for gas discharge tubes

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Abstract

IEC 61643-312:2013 is applicable to gas discharge tubes (GDT) used for overvoltage protection in telecommunications, signalling and low-voltage power distribution networks with nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. They are defined as a gap, or several gaps with two or three metal electrodes hermetically sealed so that gas mixture and pressure are under control. They are designed to protect apparatus or personnel, or both, from high transient voltages. This standard provides information about the characteristics and circuit applications of GDTs having two or three electrodes. This standard does not specify requirements applicable to complete surge protective devices, nor does it specify total requirements for GDTs employed within electronic devices, where precise coordination between GDT performance and surge protective device withstand capability is highly critical. Keywords: gas discharge tubes (GDT), overvoltage protection in telecommunications, signalling and low-voltage power distribution networks, nominal system voltages up to 1 000 V (r.m.s.) a.c. and 1 500 V d.c. The contents of the corrigendum of July 2013 have been included in this copy.

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Relevant for

LVDC


Additional information

Publication typeInternational Standard
Publication date2013-04-22
Edition1.0
Available language(s)English/French, Spanish
TC/SCTC 37/SC 37B - Components for low-voltage surge protectionrss
ICS31.100 - Electronic tubes
33.040.99 - Other equipment for telecommunication systems
Stability date  2023
Pages43
File size1221 KB

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