The circuit has the function of thermal shutdown, current limiting and closed control loop of current and voltage.
该电路具有过热保护、短路保护功能和电流、电压闭环控制回路功能。
2
Caution: under-voltage release must be electricity, circuit breaker can be closed, otherwise will damage circuit breaker!
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！
3
When using mesh, closedcircuitvoltage equation groups will be more exquisite, direct complex circuit is the special case of alternating complex circuit.