Totally-enclosesd fan-cooled alternating-current polyphase motors with squirrel-cage, design B3, B5, for mining; standard dimensions and relationship frame sizes-output ratings for motor-design safe in explosive atmosphere, type of protection: flameproof enclosure— 4 стр.
Totally enclosed fan-cooled three-phase induction motors with squirrel-cage, type IM B 3, with rolling bearings; mounting dimensions and relationship frame sizes - output ratings— 3 стр.
