Whereas if the switchgear load current is over 1250a is running, there is no necessary to keep the heater on.
但负荷电流1250a以上的开关柜在运行状态下，加热器可不投入。
Its application was widely, which can realize low cost running and protection, such as over current, over load and phase breaking.
还可实现电动机的过流、过载、缺相等多种保护以及轻载节能运行，应用非常广泛。
The linear power supply adopts double means to defend over load and puts technology that can resist electrical interferences to use, and this ensures the system running well.
该线性电源采用了双重过载保护电路和抗干扰技术。保证了系统的良好运行。
The linear power supply adopts double means to defend over load and puts technology that can resist electrical interferences to use, and this ensures the system running well.
该线性电源采用了双重过载保护电路和抗干扰技术。保证了系统的良好运行。
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