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XL-IIS Sandwich Busbar Trunking System
Busbar and Cable Tray
XL-IIS Sandwich Busbar Trunking System
XL-IIS Sandwich Busbar Trunking System

Product Overview


The XL-IIS series is engineered for three-phase AC high-capacity power transmission and distribution networks. It is widely deployed in electronics manufacturing plants, airports and high-rise buildings.


● The XL-IIS series reaches the maximum IP66 protection rating and withstands short-time current up to 150 kA. It complies with the latest IEC 61439-1/6 and GB/T 7251.1/6 standards and holds ASTA and CCC certifications. The system delivers efficient heat dissipation, superior dynamic and thermal stability, low impedance and minimal power loss. It passes seismic resistance tests for intensity grade 9, with a service life of over 30 years.

Core Advantages & Features
Technical Parameters
Item Parameter
Current rating 400 A ~ 5000 A
Standards compliance IEC61439.1/6, GB/T7251.1/6
Ambient temperature -5℃~40℃(average not exceeding 35℃)
Protection degree IP55/IP66
Connector torque 70±6 Nm
Enclosure material & finish Al-Mg alloy, powder-coated RAL7032 (or specified color)
Rated insulation voltage 1000 V
Rated operating voltage 1000 V
Rated frequency 50 Hz
Maximum installation span 2 m
Pollution degree 3

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