On the practical base, the article analyzes endanger of low-voltage motor control circuit without fuse and necessary of fitting the fuse in the circuit.
在实践的基础上，分析了低压电动机控制回路不装熔断器的危害性，及其装设熔断器的必要性。
2
Lightning current withstand capacity test of electronic equipment wires and fuse links in lowvoltage power systems is conducted in laboratory.
通过试验研究了弱电设备电气连线、制电路板及低压系统保险丝管等耐受雷电流的能力。
3
Switches , disconnectors , switch - disconnectors and fuse - combination units ; lowvoltage switchgear and controlgear assemblies.