“low voltage on load switch”的概念、定义、翻译、参考文献-科学参考

单词	low voltage on load switch
释义	low voltage on load switch Encyclopedia 工学〔开关电器〕释 low voltage on load switch低压负荷开关由一个极或几个极的刀开关与熔断器串联构成一个组合单元，能在正常的导电回路条件或规定的过载条件下关合、承载和开断电流，也能在异常的导电回路条件（如短路）下按规定的时间承载电流的开关电器。又称开关熔断器组。
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