機座號80~280                功率0.45~82kW

適用于：要求隨負載的性質逐級調速的各種傳動機械如機床、礦山、冶金、紡織、印染、化工等行業。

Applications:widely used in such industry which have step changes of rotational speed to meet the requirements of load character, as machine tools, mining, metallurgy, textile, printing and dyeing, chemical industry and agricultural machinery, etc.

特點：采用改變繞組的接法來變換電機的轉速和輸出功率，使其與機械設備的負載特性相匹配，簡化了變速系統，高效、節能

Features: to meet the requirements of load character simplify speed-changing systems by changing the connection to obtain different output and speed. Simplify speed-changing systems.high efficiency，energy

saving

變速方案：雙速、三速、四速

Pole-changing mode:double, three or four speed