ZHRA5 Design Motor Protection with Overload and Phase failure protection 1,18 months warranty 2,Three phase 3,OEM ... cirtuit and control ciruict seperately2, Overload, phase failure protection3, LED indication for Overload, phase failure state4, Convenient for wiring5, Mini design6, Alternative ... ~160A32kW~80kW ZHRA5 Design Motor Protection with Overload and Phase failure protection