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LT4706M7S电子过载继电器

和 LT47 电子过流继电器特别适合于以下应用类型的机器保护：

对于电动机起动存在一定困难的应用可以提供起动时间过长的监视功能：

监视电动机稳定运转过程，并提供过转矩检测功能：

 用于保护有较大堵转可能的机器和转矩建立时间过长的机器；

 机械故障监视；

 在某些大型电机采用 I2t 热保护措施动作过慢时，可以提供机器故障更快速检测。

在某些特定行业提供电动机保护：

 机器本身起动时间较长；

 机器动作较为频繁，如每小时超过30-50 次起动；

机器在正常运行状态经常出现一些波动，此时传统的热过载继电器由于具有热记忆效应不能很准确地反映电动机的

 热状态，这种情况下电子过流继电器可以弥补热过载继电器的不足。

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