... AC signals3.Integration of measurement and protection functions 4.Multiple protection functions5.Supports multiple motor startup modes6.Unique "stall pattern recognition ... current transformers, saving mounting space12.96*96 panel installationMain Protection Functions1.Overload, underload, unbalance, phase loss of currents2. ... .Standards: IEC60947-1:2001, IEC60947-4-1:2001 Motor Protection Device