Device for controlling a soft start or stop for AC motors, so-called soft starters

摘要

The device has a three phase power block (4) comprising associated power electronics and a contactor (6). The block is provided with circuit cell walls on frames and fastening of pin isolators as a unit according to front light, and is not attached to rear side or a side wall of a switch cabinet (2). A disconnecting switch (9) attached to the switch cabinet is detachably connected with a busbar connection (10) by a pluggable contact coupling (10a) during insertion.