ZMM1E系列智能型万能式断路器（量测开关）是国网低压物联网专用一体化开关，集成断路器保护 + 高精度计量 + HPLC 载波通信 + 拓扑识别，用于计量箱进线、台区分支、用户支路，实现线损治理、窃电预警、远程四遥、故障定位。

The ZMM1E series intelligent universal circuit breakers (metering switches) are specialized integrated switches designed for State Grid's low-voltage IoT applications, integrating circuit breaker protection, high-precision metering, HPLC carrier communication, and topology identification. These devices are deployed at incoming lines of metering boxes, substation branch points, and customer branch circuits, enabling line loss mitigation, electricity theft early warning, remote "four remote" functions, and fault localization.