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The MDmax switchgear is a new generation of modular switchgear authorized by ABB. Designed for various power supply and distribution needs, the device (standard type) supports a maximum current of 4000A and fully complies with IEC61439 and GB7251 standards.



Structural Advantages: Built on ABB's proven frame design, it features excellent part interchangeability and rapid assembly. It utilizes double T-shaped profiles and a multi-faceted channel busbar structure.
| Item | Unit | Parameter |
|---|---|---|
| Rated Working Voltage | V | AC400, AC660 |
| Rated Frequency | Hz | 50 |
| Rated Current (Horizontal Busbar) | A | ≤4000 |
| Rated Current (Vertical Busbar) | A | 400-1250 |
| Rated Short-Time Withstand Current (1S) | kA | 50-80 |
| Rated Peak Withstand Current | kA | 105-176 |
| Rated Insulation Voltage | V | AC660, AC1000 |
| Protection Class | - | IP4X |





