IEC - International Electrotechnical Commission - IEC 60157-1A:1966

First supplement to Publication 157-1 (1973). Low-voltage switchgear and controlgear.

Document History

IEC 60157-1A:1976

January 1, 1976

First supplement - Low-voltage switchgear and controlgear - Part 1: Circuit-breakers

A description is not available for this item.

IEC 60157-1A:1966

January 1, 1966

First supplement to Publication 157-1 (1973). Low-voltage switchgear and controlgear.

Part 1: Circuit-breakers.