Mechanical switching device capable of making, carrying and breaking currents in normal circuit conditions and, when specified, in given operating overload conditions.
能接通、承载和分断正常电路条件下的电流，也能在规定的非正常条件（例如短路条件）下接通、承载一定时间和分断电流的一种机械开关电器。
Single phase motors are protected against both high operating temperatures and high current by a built in, automatically resetting thermal overload.
在高温、高电流运行的情况下，单相电机都受到一个内置式、自动重置热过载保护装置的保护。
For force transducers without built-in overload protection, the limiting force and operating force are identical.
对于没有过载保护的力转换器，极限力和操作力是一样的。
The operating principles of MCS E1 electronic overload protection relays are also explained.
阐述了MCSE1电子型过载保护继电器的工作原理；
The operating principles of MCS E1 electronic overload protection relays are also explained.
阐述了MCSE1电子型过载保护继电器的工作原理；
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