XL distribution box specifications and models

The XL-21 series is a versatile low-voltage power distribution cabinet designed for industrial and commercial applications, supporting voltages up to 500V and currents up to 800A, with customizable configurations and high protection levels.OverviewThe XL-21 distribution box is primarily used for power and lighting distribution in low-voltage AC systems, including three-phase three-wire, four-wire, and five-wire configurations. It is suitable for power plants, industrial enterprises, mining operations, and commercial buildings. The cabinet integrates power introduction, distribution, and control within a single enclosure, facilitating management, monitoring, and maintenance .Models and TypesStandard Type (P Type): Independent installation with cabinet heights of 1700mm or 1800mm, featuring entry and exit holes at the top as required .Busbar Type (M Type): Cabinet height of 1900mm or more, with a removable top cover for easy busbar installation and maintenance. Doors can open beyond 135°, and internal mounting brackets are adjustable for flexible component arrangement .Electrical SpecificationsRated Voltage: 400V or 660V AC, suitable for low-voltage systems up to 500V .Rated Current: Typically 630A, with some models supporting up to 800A .Frequency: 50Hz AC.Protection Devices: Equipped with circuit breakers, fuses, contactors, and relays for overload and short-circuit protection .Motor Control: Supports squirrel-cage and wound-type motors in low-voltage control systems .Physical and Construction FeaturesMaterial: High-quality cold-rolled steel, electrolytic steel, or galvanized steel with a thickness of 2.0mm .Protection Level: IP54 for dust and water resistance, ensuring reliable operation in harsh industrial environments .Dimensions: Width 400–1000mm, height 1600–2200mm, depth 400–800mm, customizable based on project requirements .Modularity: Flexible combination of circuit breakers, relays, and measurement instruments to match specific single-line diagrams (SLDs), .Functional FeaturesIndicators and Controls: Voltage and current meters, signal lights, and operation buttons for intuitive monitoring .Arc-Extinguishing Switches: Rotating type for safe load operations .Installation Options: Floor-standing or wall-mounted, with front operation and inspection capabilities .Customization: Cabinets can be tailored for specific industrial applications, including mining, metallurgy, petroleum, chemicals, textiles, ports, and stations .SummaryThe XL-21 distribution box combines robust engineering, high protection, and modular design, making it suitable for a wide range of industrial and commercial low-voltage applications. Its customizable dimensions, high-quality components, and safety features ensure reliable power distribution and operational flexibility .