... abnormal working condition occurred in the main circuit of electrical motor, such as phase failure, overload, block, 3-phase imbalance, ... leakage and so on, the motor protector will make contacts of switching apparatus switched off immediately ... -A~G)8. Setting-up type: Setting-up current of potentiometer(HHD2-A~G)9. Contact capacity: 5A 380VAC(resistance)(HHD1 ...