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Normas BSI – AENOR
BS EN 61643-312:2013

BS EN 61643-312:2013

Components for low-voltage surge protective devices. Selection and application principles for gas discharge tubes

Fecha:
2013-09-30 /Under Review
Comité:
PEL/37/1
Equivalencias internacionales:

EN 60445:2007

EN 61643-312:2013

IEC 61643-312:2013

IEC 61643-312:2013/COR1:2013

Relación con otras normas BSI:

Reemplaza a: BS EN 61643-311:2001

Resumen:
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.
Keywords:
Overvoltage protection, Electrical equipment, Electrical testing, Resistance measurement, Surge limiters, Direct current, Voltage measurement, Low voltage, Low-voltage equipment, Electrical protection equipment, Electrical conductivity, Surge protection, Alternating current, Gas-filled tubes, Gas-discharge tubes, Electrical components
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