gc1 -凯发一触即发

use
the product is mainly applicable to ac 50 hz（or 60 hz）the rated insulation voltage 690 v，ac - 3 use category under the rated working voltage of 380 v when the rated working current - 500 - a level of circuits，as a control reversible or operation can reverse braking of the motor，can prevent the motor in the interphase short circuit when reversing，more than just electric interlocking safety and reliability，and the corresponding specifications of gr1 thermal relay combination，to protect the possibility of overload circuits。

the product model and meaning