Protections: Over Current, Phase Loss, Locked Rotor.

保护功能：过电流，缺相，堵转。

A new type of over current protection system of MCCB was Introduced.

介绍了一种新型塑壳断路器的过电流保护系统。

Over current alarm prevents LD from being damaged by excessive over current.

对于目前的报警防止LD不受损坏过多的电流。

But researchers say that it offers a number of advantages over current methods.

但研究人员表示，相比目前的方法，它有许多优势。

Over current protection device: when the sample breakdown in the 0.1s cut off the power.

过电流保护装置：试样击穿时在0.1 S内切断电源。