... Overcurrent,overload, phase loss, over voltage etc Measure volt, amp, watt, kwh etc Profibus/Modbus No.1 In China Wanlida ... protection and undercurrent protection.MMPR-220 microcomputer motor protection controller MMPR-230 microcomputer motor protection controllerProduct characteristicsPerfect current and voltage ... protectionMMPR-100 √ √ √MMPR-220√√√√√ √√MMPR-230√√√√√ √√ Motor protection controller