Incoming and feeder line scheme with current less than 6300A
Current less than 4000A, frame width is 600mm or 700mm:
Three sets Masterpact MT/ Compact NS with current 800 to 1600A
Two sets Masterpact MT with current 2000 to 2500A
One set Masterpact MT with current 3200 to 4000A
Current more than 4000A, frame width is 1200mm:
One set Masterpact MT with current 6300A
Power distribution circuit with current less than 630A
The following Circuit breakers can be chosen:
Acti9/Easy9 series miniature CB 1-125A
Compact NSX series CB 100-630A
Standard scheme: twelve sets with current less than 250A, nine sets with current less than 630A
Used to measure, protect, control and can be installed on the upper side or lower side of incoming unit or installed on the power distribution circuit panel.
Fixed isolation structure is easy and reliable whose interlocks can be realized easily.
It’s bolt connection mode between functional unit and power distribution busbar. The pressure applied on bolt connection point can be controlled by tightening torque.
The cabinet is divided into element area, busbar area, connection area, instrument area.
The width of cabinets is flexible.
The fixed type, plug-in type and withdrawable CB can be installed to meet the requirements of maintenance.