... foot (pedal) switch 脚踏开关 current limit switch 限流开关 fixedtype metal-clad switchgear 固定型铠装开关装配 ...
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在每个开关上串联一个限流电阻或保险丝，将有助于防止这种类型的损坏。
Adding a current limiting resistor or fuse in series with each switch will help prevent this type of damage.
该电路具有既能将负载电流限制在设定值以内，又能控制限流工作时功率管的开关频率等特点。
This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.
如果使用高压，则需要利用限流电阻，以免被测装置击穿后损坏电流开关。
If high voltage is used, current limiting resistors are needed to avoid damage to the current switches in case the device under test breaks down.
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