2HM+ 2KM+ 2HM- (2KM-) 2L1+ 2L2+ Loop number Trip current (A) Rated current (A) use Cable specifications Current sampling Closing circuit HK1- n FU202 GND OUT -12V +12V Loop number Trip current (A) Rated current (A) use Cable specifications FU201 Control loop KK1- nQK2 ~ - - Insulation monitoring M20n ~ to AC 380V power supply - M201 Current sampling FU102 GND OUT -12V +12V GZDW42 wiring scheme Insulation monitoring FU101 ~ Loop number use Cable specifications Trip current (A) Rated current (A) Control loop KK1- n M10n ~ to AC 380V power supply - Loop number Trip current (A) Rated current (A) use Cable specifications M101 Closing circuit HK1- n 1L1+ 1L2+ 1HM+ 1KM+ 1HM- (1KM-) -- twenty one --