The Industrial Low-Voltage Power Distribution Cabinet is the essential hub for managing and protecting electrical circuits in demanding environments. This versatile control box is engineered to house a wide array of switchgear components—including Air Circuit Breakers (ACB), Molded Case Circuit Breakers (MCCB), and contactors—to ensure the safe distribution of electricity from the main transformer to downstream loads.
Built with high-rigidity cold-rolled steel and finished with an anti-corrosive powder coating, our cabinets are designed for long-term stability in factories, commercial buildings, and infrastructure projects. Whether you require a specialized motor control center (MCC) or a standard lighting distribution panel, this cabinet provides the structural integrity and thermal management required for 24/7 industrial operation.
High-Rigidity Enclosure: Fabricated from 2.0mm thick cold-rolled steel with a modular internal framework. This ensures the cabinet can support the weight of heavy busbars and large circuit breakers without deformation.
Optimized Airflow Design: Features a calculated ventilation system with louvered side panels or top-mounted cooling fans, preventing heat accumulation and extending the lifespan of internal electronic components.
Modular Internal Mounting: Equipped with adjustable vertical mounting rails and a removable back-plate. This flexibility allows for the rapid installation of DIN-rail components or large plate-mounted switchgear.
Superior Surface Protection: Every cabinet undergoes a multi-stage degreasing and phosphating process followed by an electrostatic epoxy powder coating (Standard RAL 7035). This provides excellent resistance to scratches, chemicals, and industrial humidity.
Enhanced Operator Safety: Includes a secure 3-point locking system and internal dead-front shields (polycarbonate or steel) to prevent accidental contact with live busbars during routine maintenance.
| Feature | Detailed Specifications |
| Rated Operational Voltage (Ue) | AC 380V / 400V / 440V / 660V / 690V |
| Rated Insulation Voltage (Ui) | 1000V AC |
| Main Busbar Current (In) | 100A up to 3150A |
| Short-time Withstand (Icw) | 30kA / 50kA / 80kA (1s) |
| Ingress Protection (IP) | IP40, IP44, IP54 (Available) |
| Material | Cold-Rolled Steel / Al-Zn Coated Steel / Stainless Steel |
| Standard Compliance | IEC 61439-1 & 2, CE, GB 7251 |
Manufacturing Facilities: Main power distribution and motor control for production lines, CNC machines, and heavy industrial plant equipment.
Commercial Infrastructure: Reliable power hubs for landmark skyscrapers, airports, hospitals, and large-scale shopping malls.
Water & Energy Utilities: Control cabinets for pumping stations, wastewater treatment plants, and auxiliary power boards in substations.
Mining & Heavy Industry: Ruggedized protection for high-vibration and dusty environments requiring high breaking capacity.
Turnkey Customization: We offer "Fully Loaded" cabinets pre-wired to your specific Single Line Diagram (SLD). We integrate world-class components from ABB, Schneider, Siemens, or Chint based on your project budget.
Professional Busbar Engineering: Our high-conductivity T2 copper busbars are precision-bent and supported by high-strength insulators, ensuring high short-circuit withstand capabilities.
Seismically Tested Structures: Our cabinets are designed with reinforced corners and bolted frames, making them suitable for installation in seismic zones and high-vibration industrial sites.
Global Shipping Standards: Every unit is shipped in sea-worthy, reinforced wooden crates with moisture-proof vacuum packaging to ensure your equipment arrives in perfect factory condition.
Q: Can I get a custom size for my specific electrical room?
A: Absolutely. As a direct manufacturer, we can customize the height, width, and depth of the cabinet to fit your spatial constraints while maintaining all safety clearances.
Q: Do you provide the internal wiring and testing?
A: Yes. We provide full factory integration. Every cabinet undergoes a dielectric test, insulation resistance test, and a functional sequence test before leaving our facility.
Q: What is the difference between IP44 and IP54 for these cabinets?
A: IP44 protects against solid objects over 1mm and water splashes. IP54 adds protection against dust ingress, which is recommended for wood processing or textile factories where fine particles are present.


XL-21 Low-voltage power distribution cabinet is suitable for power distribution of three-phase four-wire or three-phase five-wire system with AC voltage of 500 volts and below in power plants and industrial and mining enterprises. XL-21 low-voltage power distribution cabinet is installed against the wall of the indoor device, and inspected in front of the screen. The shell IS made of steel plate bending, and the knife switch handle is on the upper part of the right column in front of the box, which can be used for switching power supply. According to the needs of users, different types of circuit breakers with different current levels can be selected to meet the needs of different users.


















