BS EN 60947-2 third edition 2003

In 2003, the third edition of BS EN 60947 Part 2 came into force. This governs the Circuit Breaker elements of low voltage switchgear and control gear and the latest change involved the addition of two new annexes, M & N, to the existing standard.

For many of us it is difficult to understand the exact change process or to have a clear picture of which amendments have been made. Paul Galbraith, Schneider Electric’s UK Manager for Standards and Certification and a member of numerous technical committees in UK and Europe, demystifies the process. He also explains the origins of this standard and the main differences between IEC 157-1 (the precursor of BS EN 60947-2) and IEC 947-2. The lists of affected LV switchgear and controlgear are provided and the relevant annexes are listed and defined.

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