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IEC 60420:1990 ED2

High-voltage alternating current switch-fuse combinations

Publication date:   Oct 15, 1990

General information

99.60 Withdrawal effective   Aug 22, 2002

IEC

TC 17/SC 17A

International Standard

29.130.10   High voltage switchgear and controlgear

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Scope

This standard applies to three-pole units for public and industrial distribution systems which are functional assemblies of switches including switch-disconnectors and current-limiting fuses and thus able to interrupt: -any load current up to the rated breaking current of the switch; -any over-current up to the rated short-circuit breaking current of the combination by which automatic interruption is initiated. This standard applies to combinations designed with rated voltages above 1 kV and below 52 kV for use on three-phase alternating current systems of either 50 Hz or 60 Hz.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60420:1973/AMD1:1975 ED1

WITHDRAWN
IEC 60420:1973/AMD2:1977 ED1

WITHDRAWN
IEC 60420:1973/AMD3:1978 ED1

WITHDRAWN
IEC 60420:1973 ED1

NOW

WITHDRAWN
IEC 60420:1990 ED2
99.60 Withdrawal effective
Aug 22, 2002

CORRIGENDA / AMENDMENTS

ABANDON
IEC 60420/AMD1 ED2

REVISED BY

WITHDRAWN
IEC 62271-105:2002 ED1