Certificate |
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The main distribution board is used for input of power supply lines, distribution of electricity to different facilities, as well as for electricity metering. In an emergency, it protects against overloads, short circuits in electrical networks. In the hierarchy tree, the main distribution board is at the top. The main distribution board is usually located on the site of the transformer substation.
The main distribution board is manufactured in accordance with GOST R 51321.1-2007 and TS-3434-002-50617349-2015.
Characteristics |
Value |
---|---|
Embodiment type | Ground type |
Rated voltage, V | 0,4 / 0,66 |
Control circuit voltage, V | ~24VAC / ~220VAC =24VDC / =220VDC Other design is possible |
Contact rating current, A | Up to 6300 inclusive |
Frequency, Hz | 50 |
Short time electrodynamic current, kA: | Up to 200 |
Color, RAL color standard | 7035 other color options are possible |
Maintenance method | Single-end / double-end |
Islanding form | up to 4b inclusive |
Ingress protection rating, IP | Up to IP55 inclusive according to GOST 14254-2015 IEC 60529:2013 |
Environmental class | UHL by default as per GOST 15150-69 Another embodiment is possible |