... . Standard 7" HMI display PMAC201 multi channel circuit breaker Main Module Metal case design, high grade EMC capability Sampling voltage, current, ... % rated, Accuracy:0.5%Rated current (Branch circuit)50A, Range:1%-100% rated, Accuracy:0.5%Frequency50Hz, Range:45-60Hz ... 2,PMAC201K can monitor 21 circuit status input. And PMAC201M can connect Max 3 strip PMAC201C. PMAC201 multi channel circuit breaker