题目内容

RN2型只用作高压电压互感器一次侧的短路保护，其结构尺寸较小，熔体额定电流一般为5A。

A. 对
B. 错

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RN1型主要用作高压电路和设备的短路保护，并能起过负荷保护的作用，其额定电流可达100A。

A. 对
B. 错

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