psmart series air circuit breaker (hereinafter referred to as circuit breaker) applied to ac 50hz / 60hz rate current is 200 ~ 4000a rated insulation voltage is 1000v rated working voltage is ac415v ac690v power distribution network mainly used as feed or generator protection protect circuit and power equipment from overload short circuit grounding/leakage current imbalance overvoltage undervoltage unbalanced voltage frequency and low frequency the dangers of failure such as reverse power;through load monitoring demand protection regional interlocking and other functions to achieve reasonable operation of the power grid while it has an isolation function.
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