XM Cabinet-Type Distribution Box Specifications

The XM Cabinet-Type Distribution Box is a low-voltage distribution device designed for indoor and outdoor use, supporting single-phase 220V or three-phase 380V systems with rated currents up to 400A, offering overload, short-circuit, leakage, and undervoltage protection.

Electrical Specifications

Rated Voltage: Single-phase 220V or three-phase 380V/400V AC, 50Hz. Rated Current: Up to 400A for large installations; smaller models like 32A are available for residential or light commercial use. Frequency: 50/60Hz.

Protection Functions: Overload, short-circuit, leakage, undervoltage, and line switching. Applicable Systems: TT, TN, and IT low-voltage power distribution systems.

Structural and Material Features

Body Material: High-quality cold-rolled steel plate or hot-dip galvanized steel; surface treated with epoxy resin electrostatic spraying for durability and corrosion resistance. Construction: Modular design with detachable bottom, mounting brackets, and pre-punched knock-out holes for cable entry/exit. Protection Grade: Typically IP30 for indoor dry environments; outdoor variants available with metal or transparent doors.

Pollution Level: Grade 3. Installation Types: Surface-mounted, wall-mounted, concealed-embedded, or floor-mounted.

Environmental and Operational Requirements

Ambient Temperature: -5°C to +40°C. Humidity: Up to 50% at +40°C; higher humidity allowed at lower temperatures (e.g., 90% at +20°C),. Altitude: Up to 2000 meters above sea level.

Pollution Grade: Level 3, suitable for industrial and commercial environments.

Functional Variants

Types: Lighting distribution box, small power distribution box, metering box, dual power switching box, signal button box, intelligent building control box, and comprehensive function distribution box integrating lighting and sockets.

Inlet/

Outlet Options: Single inlet, double inlet; upper entry, lower entry, or combined entry/exit. Operation Modes: Door opening or closing operation. Customization: Material, size, logo, packaging, and internal configuration can be customized to meet project requirements.

Compliance and Standards

Standards: GB7251. 1-2005, GB7251. 3-2006, IEC 60439-3 (equivalent to GB7251.

3), ensuring safety and suitability for use by non-professional personnel. Safety Features: Built-in neutral (N) and protective earthing (PE) busbars, anti-theft locks, internal protection plates to prevent accidental contact with live parts.

Applications

Widely used in residential buildings, hotels, factories, mines, airports, railway stations, ports, warehouses, and commercial complexes. Suitable for lighting and small power distribution, line control, and protection in environments accessible to non-professional personnel.

The XM Cabinet-

Type Distribution Box is a versatile, modular, and safe solution for low-voltage power distribution, offering multiple configurations and compliance with international and domestic standards, making it suitable for a wide range of industrial, commercial, and residential applications.