名词
中文翻译：中性电流继电器
同义词：
['neutral current switch', 'neutral current breaker例句：1. The relay is used to control the flow of electricity in a circuit.（继电器用于控制电路中电流的流动。）']
例句：
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1. The relay is used to control the flow of electricity in a circuit.
继电器用于控制电路中电流的流动。
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2.The relay was designed to detect and protect against power surges.
继电器被设计用来检测并保护免受电力浪涌的影响。
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3.The relay switches the power on and off automatically when the circuit is energized.
当电路通电时，继电器会自动切换电源的开启和关闭。