The switchgear is provided with vacuum circuit breaker and has been designed in accordance to IEC 62271-200. It has also been type tested at CESI laboratories in Milan.
The MSGair is a factory assembled, single busbar, type tested, medium voltage, metal enclosed, air-insulated switchgear suitable for indoor installations.
Features
- Easy to install function and maintain, with all operations within easy reach for the operator.
- Can be operated manually and/or electrically.
- Personnel Safety – All operations can be done with all doors closed.
- Modular design.
- Extensible from both sides.
- Optimised for industrial and utility applications.
- Accessibility of compartments
- Various circuit configurations are possible
Electrical Characteristics of the switchgear
Rated Voltage 17.5 kV
Rated Impulse withstand voltage 90kV
Rated frequency 50Hz
Rated short time-withstand current 31.5kA for 3s
Peak Withstand Current 80kA
Rated Current of Main busbars Up to 2000A
Rated Current of Feeder Connections Up to 2000A
Busbar Configuration Single
Mechanical Characteristics of the switchgear
Internal Arc Classification (IAC) AFLR 31.5kA, 1s
Loss of Service Continuity LSC2B
Degree of Protection IP4X
CSwitching Medium Vacuum
Type of Switching Medium Withdrawable
Mechanism of Switching Medium Spring Charged
Cable Access Front/Rear
Cable Entry Bottom/Rear
Standard Paint Finish RAL 7035
