Smart MCCB M3EL: including 1)Whole electrical protection of earthleakage, short circuit, overload, phase loss, phase imbalance, neutral loss... 2)Adjustable of protection voltage, overload current, earth leakage value, auto reclose... 3)All circuit fault trip and reclose logged and traceable to know when and what happened.... Smart mccb device + Free software+Free attachment+Free RS485 communication protocol Document