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Product Overview
Operating flawlessly as a power center (PC), motor control center (MCC), or reactive power compensation unit, the MNS low voltage switchgear is built upon a standardized modular framework. Unlike standard fixed panels, this premium mns switchgear utilizes a sophisticated withdrawable drawer system, allowing functional units to be replaced or maintained efficiently. It strictly complies with global and national benchmarks, including IEC60439-1, GB7251.1, and JB/T9661, ensuring it seamlessly integrates into modern high-capacity grids while preventing fault propagation through carefully isolated compartments.
MNS low voltage switchgear Features & Benefits
- Advanced Modular Construction: The cabinet frame is constructed from C-shaped steel profiles with a standard 25mm modular hole pattern (E=25mm). This allows for flexible internal assembly without the need for specialized tools.
- High-Density Drawer Configuration: Engineered for maximum space efficiency, a single cabinet can house up to 36 functional units (using the 8E/4 size), dramatically saving substation floor space.
- Superior Safety & Isolation: Internal compartments are strictly separated into three distinct zones: the busbar room, the functional unit room, and the cable room, effectively preventing arc fault propagation.
- Optimized Thermal Management: Features strategically designed ventilation slots and internal partitioning to ensure efficient heat dissipation, maintaining safe operating temperatures even under full 5000A load.
- Flexible Cable Installation: Designed with the contractor in mind, it supports both top and bottom cable entry options, complemented by a dedicated cable compartment to simplify field wiring and routine maintenance.
- Reliable Mechanical Interlock: Each withdrawable drawer features a standardized, highly reliable mechanical interlocking mechanism, ensuring ultimate operator safety during operation and maintenance.
- Exceptional Current Capacity: Designed to handle severe short-circuit stresses, supporting a main busbar peak withstand current of up to 176kA, and a vertical busbar peak withstand current of 105kA.
- Robust Environmental Protection: The enclosure provides flexible protection grades, including IP30, IP40, and up to IP54, making it highly resilient against dust and solid objects in industrial environments.
Technical Specifications for MNS Low Voltage Switchgear
The core electrical ratings, dimensions, and performance data for the MNS low voltage switchgear are precisely detailed in the tables below.
1. Main Technical Parameters:
| Parameter | Technical Data |
|---|---|
| Rated Insulation Voltage (V) | 690 |
| Rated Working Voltage (V) | 380, 660 |
| Rated Frequency (Hz) | 50 (60) |
| Main Busbar Rated Working Current (A) | ≤4000, 5000 |
| Main Busbar Rated Short-time Withstand Current (kA/1s) | 50, 80 |
| Main Busbar Rated Peak Withstand Current (kA) | 105, 176 |
| Vertical Busbar Rated Working Current (A) | 1000, 2000 |
| Vertical Busbar Rated Short-time Withstand Current (kA/1s) | 50 |
| Vertical Busbar Rated Peak Withstand Current (kA) | 105 |
| Protection Grade | IP30, IP40, IP54 |
2. Functional Unit (Drawer) Specifications:
| Functional Unit Type | Drawer Height (mm) | Max Rated Current (A) |
|---|---|---|
| 8E / 4 | 200 | 32 |
| 8E / 2 | 200 | 63 |
| 8E | 200 | 250 |
| 16E | 400 | 400 |
| 24E | 600 | 630 |
Cabinet Dimensions (mm):
| Cabinet Type | Depth (D) | Width (W) | Height (H) |
|---|---|---|---|
| Power Center (PC) Cabinet | 800, 1000 | 400, 600, 800, 1000, 1200 | 2200 |
| Motor Control Center (MCC) Cabinet | 800, 1000 | 600, 800, 1000, 1200 | 2200 |
| Reactive Power Compensation Cabinet | 800, 1000 | 600, 800, 1000 | 2200 |
Note: When the width and depth change, the height remains unchanged, only the mounting frame is adjusted.
Reliability and Conclusion
Investing in the mns low voltage switchgear provides a future-proof foundation for any industrial electrical network. By combining an ultra-flexible C-profile framework with heavily isolated, flame-retardant compartments and high-density functional drawers, this cabinet guarantees exceptional thermal management, seamless scalability, and long-term operator safety.
FAQ
It is engineered for extreme high-capacity loads, safely supporting a main busbar rated working current of up to 5000A, and a vertical busbar current up to 2000A.
Thanks to its high-density modular design, a single MCC cabinet can accommodate a maximum of 36 functional drawer units of the 8E/4 size, making it incredibly space-efficient for complex motor control applications.
Depending on your facility's specific requirements, the enclosure can be configured with protection grades of IP30, IP40, or up to IP54, ensuring resilient operation against dust and solid foreign objects.
