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China XL-21 Low-Voltage Power Distribution Box - Factory Suppliers for Industrial Power Solutions
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China XL-21 Low-Voltage Power Distribution Box - Factory Suppliers for Industrial Power Solutions

The XL-21 low-voltage power distribution box is an essential component for power distribution systems across industrial and mining enterprises, workshops, and various buildings in China. This robust device is specifically designed for three-phase AC power distribution systems operating at a frequency of 50Hz and rated voltages of 380V or lower. The XL-21 is extensively utilized in power distribution, motor control, and lighting applications. As trusted suppliers and manufacturers in the power distribution sector, our factory ensures that the XL-21 meets high-quality standards, making it an ideal solution for your electrical distribution needs
  • Model GGJ

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Featuring a compact and robust closed-box structure fabricated from cold-rolled steel plates through bending and welding, the product boasts an IP30 or higher protection rating. This ensures effective resistance to dust and foreign object intrusion, guaranteeing stable operation in harsh industrial environments. The cabinet features a scientifically optimized layout with clearly demarcated zones for busbars, components, and circuits, significantly enhancing installation and maintenance efficiency.

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IP30+ Protection Rating

Effectively resists dust and foreign object intrusion, ensuring stable and reliable performance in demanding industrial environments.

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Optimized Cabinet Layout

Clearly demarcated zones for busbars, components, and circuits significantly enhance installation and maintenance efficiency.

National Standard Compliance

Strictly compliant with national standards, providing comprehensive protection against short circuits and overloads for safe, reliable operation.

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Flexible Configuration

Designed for both practicality and cost-effectiveness, supporting flexible configurations to meet diverse user requirements.

Isolating Switches
Circuit Breakers
Contactors
Thermal Relays
Fuses

Core components work in concert to enable motor startup, shutdown, protection, and real-time monitoring. This makes the distribution box an indispensable power distribution and control infrastructure for industrial production — balancing performance, safety, and cost-effectiveness in a single integrated solution.

❓ Frequently Asked Questions

Q What protection rating does this distribution box offer, and what does it protect against?
A The distribution box achieves an IP30 or higher protection rating. This means it effectively prevents solid foreign objects larger than 2.5mm — such as tools, wires, and dust particles — from entering the enclosure, ensuring stable operation in harsh industrial environments.
Q What materials are used in the construction of the cabinet enclosure?
A The cabinet features a compact and robust closed-box structure fabricated from cold-rolled steel plates through precision bending and welding processes, providing excellent mechanical strength and long-term durability.
Q What core components are included, and what functions do they perform?
A The distribution box integrates isolating switches, circuit breakers, contactors, thermal relays, and fuses. Together, these components enable motor startup, shutdown, overload and short-circuit protection, and real-time operational monitoring.
Q Is this distribution box compliant with national or industry standards?
A Yes. The distribution box is strictly compliant with national standards, ensuring comprehensive protection against short circuits and overloads. This compliance guarantees safe and reliable operation across a wide range of industrial applications.
Q Can the distribution box be customized or configured to meet specific project requirements?
A Absolutely. The product is designed with both practicality and cost-effectiveness in mind, supporting flexible configurations to accommodate varying user requirements — making it adaptable to diverse industrial power distribution and control scenarios.
Q How does the internal layout of the cabinet improve maintenance efficiency?
A The cabinet features a scientifically optimized internal layout with clearly demarcated zones for busbars, components, and circuits. This organized structure allows technicians to quickly locate and access individual components, significantly reducing installation time and simplifying routine maintenance procedures.