
Low-voltage Motor Starters - Rheostatic Rotor Starters
出版:International Electrotechnical Committee

专家解读视频
Applies to starters for industrial use, designed for starting an a.c. induction motor having a wound rotor, by cutting out resistors previously inserted in the rotor circuit, to provide means for the protection of the motor against operating overloads, and to cause intentionally the motor to stop.
BS 4941-3:1977 - Identical
NFC 63 650:1982 - Identical
HD 421:1981 - Identical
UNE 20115-3:1989 - Identical