MEDIUM VOLTAGE SWITCHGEAR SYSTEM NES-H
Draw-out type switchgear for indoor installation, type-tested, factory-assembled, air-insulated, metal-enclosed with a fourfold compartment.
Application as a single bus system or as a duplex system.
Optional: motor operated withdrawable units and earthing switches.
The following variations are possible for the conduction of hot gases that result from arc faults:
- deflector plate
- pressure release duct
|Rated values||up to||up to|
|rated power-frequency withstand voltage||28||50||kV|
|rated lightning impulse withstand voltage||75||125||kV|
|rated busbar current||4.000||2.500||A|
|rated short-time withstand current||50||31,5||kA|
|rated peak withstand current||125||80||kA|
|rated short-circuit duration||3||3||s|
|internal arc fault test 1s||50||31,5||kA|
|cubicle height||2.300 – 2.500incl. control compartment H = 600 up to 800||mmmm|
|rated branch current up to: (natural-/air cooled)||2.000||2.900||2.500||350||A|
|rated branch currentup to:(forced ventilation)||–||3.800||3.300||–||A|
* 2x500mm = contactor panel with a maximum of 2 outgoing feeders
** plus 77mm for front door and back wall
Further values upon request.