Signal control cable applied the copper cored cable which may withstand 500 AC ratedvoltage.
信号控制电缆采用能耐交流额定电压500伏以上的铜芯电缆。
2
At ratedcontrol 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。
3
It is applicable for control, monitoring circuit and protective circuit of ratedvoltage up to and including 450/750V, used in the anti-flaming location which requires environment protection.