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Adjustable Flat Busbar Support Insulator


  • Use with Adjustable Flat Busbar Support Rail to create custom busbar supports
  • Adjusts quickly to accommodate multiple busbar thicknesses
  • High resistance to short-circuit forces
  • Provides excellent electrical protection for equipment
  • Halogen free
  • RoHS compliant


Material: Glass Fibre Reinforced Polyamide
Max Working Voltage, IEC (Ui): 1,000 VAC; 1,500 VDC
Working Temperature: -40 to 266 °F
Complies With: IEC® 60439.1; IEC® 61439.1; IEC® 60695-2-11 (Glow Wire Test 960 °C)
Flammability Rating: UL® 94V-0
Part Number Article Number Busbar Width Busbar Thickness HeightH A Unit Weight
SIALP-B 504991 1.18" – 4.92" 0.20" – 0.39" 2.76" 1.34" 0.57 lb

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IEC 61439-1 Busbar Supports
IEC 61439-1 (2012), 50 KB English