Historical
IEC 60947-5-1 Ed. 3.0 b:2003
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Applies to control circuit devices and switching elements intended for control-ling, signalling, interlocking, etc., of switchgear and controlgear. It applies to control circuit devices having a rated voltage not exceeding 1 000 V a.c. (at a frequency not
CONTENT PROVIDER
International Electrotechnical Commission [iec]
International Electrotechnical Commission [iec]