同时，配置了2-SPDT干触点、内部报警器及防火蓝油，并可通过辅助触点实施远程控制。
The product features 2-SPDT dry contacts, an internal alarm, and a blue finish that is not confused with fire alarm stations. Auxiliary contacts can be used for remote annunciation.
在实际工程中，同期电压的取法采用的是“近区电压优先原则”，并使用相关的隔离开关和断路器的辅助触点来实现电压的切换。
In engineering application, the selection of the synchronism voltage is usually according to the principle that the nearest voltages are prior.
在实际工程中，同期电压的取法采用的是“近区电压优先原则”，并使用相关的隔离开关和断路器的辅助触点来实现电压的切换。
In engineering application, the selection of the synchronism voltage is usually according to the principle that the nearest voltages are prior.
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