... voltage triangle 电压三角形 voltage trip 电压脱扣 voltage tripler circuit 三倍增压电路 ...
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欠电压脱扣器 Under-voltage release ; UVR ; undervoltage tripper ; YU
零电压脱扣 zero voltage trip
低电压脱扣继电器 under voltage tripping relay
欠电压脱扣装置 uvt
侧面安装欠电压脱扣器 RU
带辅助的欠电压脱扣器 RUX
脱扣电压 drop away voltage
欠电压继电器或脱扣器 under-voltage relay or release
液压电磁脱扣保护 Hydraulic magneic release
在额定控制电源电压低于35%时，欠电压脱扣器应防止断路器合闸。
At rated control supply voltage less than 35% under-voltage should prevent breaker from closing.
在额定控制电源电压低于35%时，欠电压脱扣器应防止断路器合闸。
In case of the operation voltage less than 35% of the rated voltage, the under-voltage should prevent the breaker from closing.
敬告：欠电压脱扣器必须先通电，断路器才能再扣及合闸。否则将损坏断路器！
Caution: under-voltage release must be electricity, circuit breaker can be closed, otherwise will damage circuit breaker!
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