MSB Panel – Custom-Designed by AIT Group
Status: Order
The Main Switchboard (MSB) is the most critical component in low-voltage power distribution systems, responsible for switching, controlling, and protecting downstream electrical loads.
The MSB panels are designed and manufactured by AIT GROUP in compliance with IEC and TCVN standards, offering:
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Rated current: 630A to 6300A
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Breaking capacity: up to 130kA
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Protection rating: up to IP55
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Cabinet configurations: Form 1 to Form 4b
Technical characteristics
| Description | Main Technical Specifications |
|---|---|
| Standard | IEC 60439-1 & 2 |
| Rated operational voltage | 690 VAC |
| Rated insulation voltage | 1000 VAC |
| Rated frequency | 50 / 60 Hz |
| Rated impulse withstand voltage | 12 kV |
| Incoming/outgoing current range | 630 – 6300 A |
| Rated breaking capacity | 50 – 100 kA |
| Control circuit voltage | 230 VAC |
| IP protection rating | IP3X / IP4X / IP5X |
| Cabinet structure | Form 1 / 2a / 2b / 3a / 3b / 4a / 4b |
| Cable connection direction | Front and rear |
Application
The Main Switchboard (MSB) is positioned downstream of the transformer and is typically installed in the main electrical room of industrial and civil projects such as factories, industrial workshops, shopping centers, office towers, residential buildings, hospitals, schools, seaports, and airports.
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