QBT CEP Low-voltage switchboard designed by CEP
The low-voltage switchboard designed and built by CEP in its own plant, with a copper busbar system.
Description
This is CEP's own-design low-voltage switchboard. It is designed on the plant diagram and built in Calatafimi Segesta, in the same plant as the substations.
At the rear, the busbar system distributes current to the outgoing feeders: copper bars, flat or shaped, as standard, aluminium on request.
Rating plate data of the QBT range
Mechanical characteristics
- Enclosures
- metal, in galvanised and painted sheet steel · thermoplastic
- Configurations
- wall-mounted or floor-standing monobloc enclosures · floor-standing modular cabinets
- Non-standard dimensions
- on request
- Accessibility
- front · rear · side
Electrical characteristics
- Rated operational voltage
- 400 · 600 · 690 · 800 · 1000 Vac · up to 1500 Vdc
- Rated insulation voltage
- up to 1000 V, depending on the configuration
- Rated impulse withstand voltage
- 2,5 · 4 · 6 · 12 kV
- Rated frequency
- 50 · 60 Hz
- Rated operational current
- up to 6300 A
- Short-time withstand current Icw (1 s)
- 120 kA
- Peak withstand current Ipk
- 330 kA
- Reference standards
- CEI EN 61439-1 · CEI EN 61439-2 · CEI EN 61439-3
Distribution systems
- Main circuits, standard
- flat or shaped copper bars
- Main circuits, on request
- flat or shaped aluminium bars
- Auxiliary and control circuits
- distribution blocks · certified distribution kits
Values common to the range. The specifications of this product depend on the plant diagram.
Other QBT products
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