Totally-enclosed fan-cooled three phase asynchronous motors with squirrel-cage - Design IM B3, IM B5, IM B14 with bearings - Part 2: Relationship frame sizes - Output ratings for type of protection increased safety "e
Transformers; three-phase oil immersed transformers with off-circuit tap-changer or with on-load tap-changer 12500 to 80000 kVA for 50 Hz and U<(Index)m> up to 123 kV; requirements and accessories