NES

MEDIUM VOLTAGE SWITCHGEAR SYSTEM NES

Draw-out type switchgear for indoor installation, type-tested, factory-assembled, air-insulated, metal-enclosed with a fourfold compartment.

Compact panel for contactor feeder that is 500mm wide.

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
  • arc absorber
  • pressure release duct

Technical Data

 

Rated values up to
rated voltage 12 kV
rated power-frequency withstand voltage 28 kV
rated lightning impulse withstand voltage 75 kV
rated busbar current 2.500 A
rated short-time withstand current 40 kA
rated peak withstand current 100 kA
rated short-circuit duration 3 s
internal arc fault test 1s ** 40 kA

 

Dimensions
cubicle width 1.000 800 650 500  mm
cubicle depth* 1.300 1.300 1.300 1.300  mm
cubicle height 2.300 – 2.500incl. control compartment H = 600 up to 800  mmmm
rated branch currentup to 2.500 2.000 1.100 350  A

 

* plus 92mm for front door and back wall

** tested contactor panel 40 kA/0,1s

Further values upon request