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 | 2×500 | mm |
| cubicle depth** | 1.700 | 1.700 | 1.700 | 1.700 | mm |
| cubicle height | 2.300 – 2.500incl. control compartment H = 600 up to 800 | mmmm | |||
| 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 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.