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SK-LINE-M · Compact Busway

400–6,300 A compact copper busway for power distribution.

SK-LINE-M Compact Busway

SIKE PRODUCT SELECTION MANUAL · 20260917

SK-LINE-M

400–6,300 A compact copper busway for power distribution.

Original source: pages 10, 11. Complete selection dimensions, diagrams and technical tables are included below.

Product specifications

Technical specifications
Applicable standardsGB/T 7251.6-2015; IEC 61439-6:2012; EN 61439-6:2012
Rated current400, 500, 630, 800, 1000, 1250, 1600, 2000, 2500, 3150, 4000, 5000, 6300 A
ConductorCu + Ag ≥99.97%
Enclosure6063-T5 aluminum-magnesium alloy
ProtectionIP54 / IP55 / IP65 / IP66
Operating voltage400 V with tap-off; 1000 V without tap-off
Insulation voltage800 V with tap-off; 1000 V without tap-off
Unit length0.5–6 m
Frequency50 Hz
Wiring3P / 4P / 5P; 200% N optional
Withstand voltage8 kV
Insulation resistance≥20 MΩ
Temperature rise≤70 K conductive joints; ≤55 K enclosure
Dielectric strength3.75 kV / 10 s; no breakdown or flashover
Ambient temperature−20 to +40°C
Altitude≤2000 m
Seismic intensity≤Grade 8
Electrical clearance≥10 mm
Creepage distance≥16 mm
Maximum support spacing2 m
InstallationVertical or horizontal
Relative humidityDaily average ≤95%; monthly average ≤90%
Water-vapor pressureDaily average ≤2.2 kPa; monthly average ≤1.8 kPa
Tap-off openingsMinimum one per meter; double-sided tap-off available
Electrical characteristics · original handbook values
Rated current (A)400500630800100012501600200025003150400050006300
Resistance R20 (mΩ/m)0.1190.1050.0900.0720.0560.0450.0300.0240.0190.0160.0120.0080.006
Reactance X20 (mΩ/m)0.0420.0400.0380.0310.0260.0230.0180.0160.0130.0110.0090.0070.006
Impedance Z20 (mΩ/m)0.1260.1120.0960.0780.0620.0510.0360.0270.0220.0180.0140.0090.007
Voltage drop (V/m), cos φ = 0.90.0960.0940.1030.1070.1050.1080.0990.0950.0940.0910.0810.0780.071

Complete technical sheets & dimensions

All original data, drawings and selection tables for this series. Open a page to zoom in. Values and units in the source are preserved.

Model codes, components & installation

See busway and plug-in model codes, structure, joints, installation components and routing dimensions.

Open selection & installation guide

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