MEDIUM VOLTAGE SWITCHGEAR SYSTEM NES-HD
Draw-out type switchgear system for indoor installation, type-tested, factory-assembled, air-insulated, metal-enclosed with an eightfold compartment, double busbar system.
Optional: motor operated withdrawable units, circuit breaker/disconnector and earthing switches.
For the conduction of hot gases that result from arc faults, the switchgear system is equipped with internal pressure release ducts. Optional: conduction out of the control room or a release in the control room with an accumulative absorber.
|Rated values||up to|
|rated power-frequency withstand voltage||28||kV|
|rated lightning impulse withstand voltage||75||kV|
|rated busbar current||4.000||A|
|rated short-time withstand current||50||kA|
|rated peak withstand current||125/130||kA|
|rated short-circuit duration||3||s|
|internal arc fault test 1s||IAC AFLR 50||kA|
|rated branch current:||4.000||1.250|
* plus 77mm for doors
Further values upon request