Air insulated Busway Trunking System

Product Overview

This series of bus duct systems are designed for industrial and commercial power distribution, comply with IEC61439-1/GB7251.1 standards, are suitable for power transmission scenarios with rated currents of 100A-6300A, and provide copper (CU) and aluminum (AL) conductor solutions.

Key technical parameters

Current Specifications

Aluminum conductor (AL): 100A~5000A (lightweight solution, suitable for cost-sensitive projects)

Copper conductor (CU): 400A~6300A (high current density solution, suitable for compact space)

Electrical Characteristics

Rated operating voltage: 690V AC (compatible with 380V/415V system)

Insulation withstand voltage: 1000V/1min (power frequency withstand voltage test)

Power frequency adaptability: 50Hz/60Hz dual frequency design (universal)

Structural Configuration

Standard system: 3P4W (three-phase four-wire system, including PE wire) / 3P5W (three-phase five-wire system, including N+PE wire)

Conductor technology: electrolytic copper (purity ≥ 99.9%) or 6063-T5 aluminum alloy (conductivity ≥ 55% IACS)

Extended Features

Protection level: IP54 (default) / customizable IP66

Temperature rise limit: ≤70K (in accordance with GB7251.3 requirements)

Short circuit withstand: 50kA/1s (copper conductor solution)

Selection Guide

It is recommended to select the conductor material according to the actual needs of the project: copper conductors are suitable for high-load continuous occasions (such as data centers), while aluminum conductors are more suitable for periodic load scenarios (such as factory power distribution).

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