Automation Services Solutions Switch Gears

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

 

 

Technical Data

 

Rated values up to up to  
rated voltage 12 24 kV
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

 

Dimensions
cubicle width* 1.000 1.000 800 2x500  mm
cubicle depth** 1.700 1.700 1.700 1.700  mm
cubicle height

2.300 - 2.500

incl. control compartment H = 600 up to 800

 mm

 mm

rated voltage 24 24 24 24  kV
rated branch current up to: (natural-/air cooled) 2.000 2.900 2.500 350  A

rated branch current

up 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.

Copyright © NATUS GmbH & Co. KG 2017