FU2 GND OUT Current sampling-12V +12V ~ Loop number Trip current (A) Rated current (A) use Cable specifications KKn Control loop KK1 Control loop FU1 Loop number Trip current (A) Rated current (A) use Cable specifications Insulation monitoring GZDW31 wiring scheme Loop number use use Cable specifications - Trip current (A) Rated current (A) HK Mn Closing circuit ~ - to AC 380V power supply M1 Rated current (A) Cable specifications HK1 Closing circuit number tripping current (A) HM+ HM- —- 15 —-