
Low Voltage Switchgear Cabinet
This intelligent, drawer-type low-voltage switchgear is specifically designed for low-voltage power distribution applications. It is suitable for systems operating at 50/60 Hz, with a rated voltage of 690 V and a rated current of up to 6300 A, and fully complies with IEC standards. The product is widely utilized in power control and distribution scenarios, including power distribution, motor control, and capacitor compensation. The cabinet supports various configurations—such as fixed and withdrawable types—and features comprehensive optimizations across its structural design, functionality, and thermal management. This professional engineering approach ensures safer and more reliable operation.
Description
Technical Advantages
1. Standardized Design Across the Entire Series
All components are designed according to unified standards, eliminating the need for parts specially customized for individual projects. This fundamentally guarantees product interchangeability and quality consistency, significantly reducing future costs associated with spare parts procurement and maintenance.
2. Ultra-High Installation Density
The installation density of the Power Distribution Center (PCC) units is industry-leading; a single cabinet can accommodate up to 24 switching devices of the NS250 specification or smaller. While ensuring optimal electrical performance, this design maximizes space savings within the distribution area and enhances the overall utilization efficiency of the equipment room.
3. Flexible Wiring Adaptability
The system supports bidirectional wiring—both front-access and rear-access modes—making it perfectly adaptable to space-constrained environments, such as installations where switchgear must be positioned against a wall. This flexibility meets the diverse wiring requirements of different projects and simplifies on-site construction procedures.
4. Comprehensive Quality Control
A robust quality supervision mechanism has been established, ensuring that all core components are sourced according to unified standards. Specialized quality control personnel monitor every stage of the manufacturing process to guarantee the stable and reliable quality of every finished product.
5. Fully Modular Structure
All cabinet configurations within the series feature a modular design concept, allowing individual functional units to be independently separated. This facilitates rapid assembly, on-site commissioning, and future functional upgrades or modifications, thereby effectively shortening both construction and maintenance cycles.
6. Superior Internal Arc Resistance
The switchgear is certified to meet the internal arc resistance standards of AS 3439, demonstrating robust fault protection capabilities. In the event of an internal arc fault, the system effectively limits the propagation of hazards, providing comprehensive protection for both the operational safety of the equipment and the personal safety of on-site personnel.
Technical Parameters
Product Model: Low Voltage Switchgear Cabinet
| Item | Unit | Parameter |
| Rated Operating Voltage | V | 400/690 |
| Rated Insulation Voltage | V | 1000 |
| Rated Frequency | Hz | 50/60 |
| Rated Current of Horizontal Busbar | A | 6300 |
| Rated Short-time Withstand Current of Horizontal Busbar | kA/s | 100 |
| Rated Peak Withstand Current of Horizontal Busbar | kA | 220 |
| Rated Current of Vertical Busbar | A | 4000/2100/1500 |
| Rated Short-time Withstand Current of Vertical Busbar | kA/s | 85 |
| Rated Peak Withstand Current of Vertical Busbar | kA | 187 |
| Rated Impulse Voltage | kV | 12 |
| Overvoltage Category | IV | |
| Pollution Degree | 3 | |
| Protection Level | IP31/42/54 | |
| Cabinet Height | mm | 2200 |
| Cabinet Width | mm | 500/600/700/900/1100/1200/1300 |
| Cabinet Depth | mm | 400/600/1000 |