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Switchboards
Northern M&E offer a competitive alternative to other switch
board systems.
- Our system fully covers all requirements with regard to
dependability and personal safety
- Future extensions and changes can be carried out without
problems
- Our flexible system enables an individual and locally
adjusted solution
- Our system allows for the use of standard & customer
specific components, therefore giving complete freedom of choice
- Because everything has been closely considered in detail and
in design, the customer benefits from a cost effective solution
- Switchboards available from 250 Amp to 7800 Amps
Technical Specifications
| Principle |
Modular, constructed,
typetested, sheet covered switchboard system. |
| Standards |
IEC 439-1, EN 60439-1, SB
section 13-1, VDE, BS, NEN |
| Rated Operational Voltage |
Ue = 690 V |
| Rated Frequency |
50-60 Hz |
| Rated Insulation Voltage |
Ui = 1000 V |
| Rated Impulse Withstand Voltage |
Uimp = 12 kV |
| Test Voltage |
U1.2 / 50 =14.8 kV |
| Insulation Materials |
All insulation materials
have self-extinguishing index UL94-VON. Material Class
II / Iii |
| Creepage, Distances and Clearances |
Minimum 19 mm phase to
phase, 16 mm phase to earth, 25 mm creepage distance.
Creepage distances and clearances according to IEC947 /
439 and VDE0110. |
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| Nominal Current |
Horizontal busbars from 250
Amp to 7800 Amp.
Vertical busbars from 225 Amp to 1700 Amp.
Busbar material: Electrolytic copper |
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| Rated Short-Time Circuit |
Horizontal up to 115 kA rms
/ 1 second, vertical up to 91 kA rms / 1 second.
Horizontal up to 253 kA peak |
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| Rated Surge Current |
Vertical up to 200 kA peak |
| Max Dielectric Test Voltage |
3500 V for 1 minute |
| Degree of Protection |
IP20 standard construction.
Up to IP54 with extra gasket arrangements |
| Internal Degree of Protection |
Form 1-4 according to
IEC439-1/SB section 13-1 |
| Construction |
All main enclosure parts
are produced of aluzinc. This material is high-quality
steel with a mixed layer of aluminium and zinc. The zinc
gives cathodic protection and aluminium gives total
protection and long durability.
Surface treated doors and covers are produced of
phosphated high-quality steel-plates. The finish
painting consists of epoxy powder with a high
colouring-body density, laid on with an electro-static
process which combines durability and high quality |
| Colour |
RAL 7032 |
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