gr1-凯发一触即发

use
gr1-160 ~ 630 series thermal overload relay，it is mainly used for ac 50 hz or 60 hz，rated voltage 660 v and below，160-630 - a current circuits，as a motor overload，open phase，protect the starting time is too long，especially suitable for the protection of the motor overload situation。
recommended match the gr1-160 ~ 630 of contactor see matching table。
in line with the gb 14048.4, iec 60947-4-1。

the product model and meaning

technical parameters