YCU-A intelligent type controller - YCU-A

YCU-A] Controller Function

Indicate connects into power supply stating;
Indicate switch working stating
When one way power stop supplying, it transfer to other power supply in the load by automatically;
When one source is fault like lose voltage,under voltage,loss phase protection and so on, it changeover to the second source by automatically;
Two ways power supply at the same time, It convert to the main power supply (self-input and self-recover type), the customer can choose the self-input without self-recover type or standby power priority type
Provide the compulsive and adjustable time within 30s
There are auto,manual operate mode, can be compulsive to transfer by manual

a. A1,B1,C1,N1 connect the main power in three phases and four wires. If is three phases and three wires, then N1 connects the ground
b. A2,B2,C2,N2 connect the standby power three phases and four wires.If is three phases and three wires, then N2 conncets the ground
c. L1 across the switch internal assistant contact to the main power A phase, as main power indicate closed-transition
d. L2 across the internal of switch assistant contact to the standby power A phase, as the standby power indicate closed-transition
e. M1,M2,M3,M4 as the capacity output terminal of the switch.