International Standards and Conformity Assessment for all electrical, electronic and related technologies

TC 121

Switchgear and controlgear and their assemblies for low voltage


TC 121 Scope

TC 121

To prepare international standards for low-voltage switchgear and controlgear equipment for industrial, commercial and similar use rated below or equal to 1 kV a.c. and 1,5 kV d.c, electromechanical as well as semiconductor (solid state) equipment. The scope includes open and enclosed separate items of equipment as well as assemblies which are the combinations of items of equipment into complete functional units.

Further information

Strategic Business Plan
pdf file
TC 121 Officers