Automation Services Solutions Switch Gears

MEDIUM VOLTAGE SWITCHGEAR SYSTEM NES-H18

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

 

Circuit breaker in truck types starting at 3.150 A.

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 17,5 kV
rated power-frequency withstand voltage 28 38 kV
rated lightning impulse withstand voltage 75 95 kV
rated busbar current 4.000 4.000 A
rated short-time withstand current 55 50 kA
rated peak withstand current 137,5 125 kA
rated short-circuit duration 3 3 s
internal arc fault test 1s 50 50 kA

 

Dimensions
cubicle width* 1.000 1.000 800  mm
cubicle depth** 1.800 1.800 1.800  mm
cubicle height

2.300 - 2.500

incl. control compartment H = 600 up to 800

 mm

 mm

rated voltage 17,5 17,5 17,5  kV
rated voltage switchgear 3.150 4.000 -- A
rated branch current up to: (natural-/air cooled) 3.150 3.400 2.500  A

rated branch current up to:

(forced ventilation)

4.050 4.200 3.300  A

 

* plus 77mm for front door and back wall
Further values upon request.

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