• IEC 62271-100 Ed. 3.0 b:2021

IEC 62271-100 Ed. 3.0 b:2021

High-voltage switchgear and controlgear - Part 100: High-voltage alternating-current circuit-breakers

International Electrotechnical Commission , 07/07/2021

Publisher: IEC

File Format: PDF

$256.00$512.00


This part of IEC 62271 is applicable to three-phase AC circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and/or 60 Hz on systems having voltages above 1 000 V. This document includes only direct testing methods for making-breaking tests. For synthetic testing methods refer to IEC 62271-101.

NOTE In a direct testing method one source is used to supply the voltage and current during the making and breaking tests.

This part of IEC 62271 is not applicable to:
- circuit-breakers with a closing mechanism for dependent manual operation;
- circuit-breakers intended for use on motive power units of electrical traction equipment; these are covered by IEC 60077 (all parts) [1]1;
- generator circuit-breakers installed between generator and step-up transformer; these are covered by the IEC 62271-37-013 [2];
- self-tripping circuit-breakers with tripping devices that cannot be made inoperative during testing. Tests on automatic circuit reclosers are covered by IEC 62271-111 [3];
- tests to prove the performance under abnormal conditions that are not described in this document are subject to agreement between manufacturer and user. Such abnormal conditions are, for example, cases where the voltage is higher than the rated voltage of the circuit-breaker, conditions which can occur due to sudden loss of load on long lines or cables.

IEC 62271-100 Ed. 3.0 b:2021 History

IEC 62271-100 Ed. 3.1 en:2024
IEC 62271-100 Ed. 3.0 b:2021
IEC 62271-100 Ed. 2.2 b:2017

IEC 62271-100 Ed. 2.2 b:2017

$696.00 $1,392.00

IEC 62271-100 Ed. 2.1 b:2012

IEC 62271-100 Ed. 2.1 b:2012

$506.00 $1,012.00

IEC 62271-100 Ed. 2.0 b:2008
IEC 62271-100 Ed. 1.2 b:2006
IEC 62271-100 Ed. 1.1 b:2003

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