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BS-250A Four Pole Insulating Support

BS-250A (551300)


  • Create custom four pole distribution blocks for an electrical distribution system
  • Mounts with screws
  • Protection screen can be fixed using spacers
  • Halogen free
  • RoHS compliant


Part Number BS-250A
Article Number 551300
Material Steel
Glass Fibre Reinforced Polyamide
Finish Electrogalvanized
Max Working Voltage, IEC (Ui) 630 VAC
630 VDC
Working Temperature -40 to 266 °F
Typical Application Current Rating 160 – 250 A
Complies With IEC® 60439.1
IEC® 61439.1
IEC® 60695-2-11 (Glow Wire Test 960 °C)
Flammability Rating UL® 94V-0
Busbar Width 0.59" – 0.79"
Busbar Thickness 0.2"
Depth (D) 1.77"
Height (H) 5.91"
A 5.12"
Screw Diameter (Sc) M6
Unit Weight 0.11 lb
Certifications CE
EAC 8546901000 (Russian Federation)
IEC 61439-1 Busbar Supports
Standard Packaging Quantity 10 pc
UPC 78285687622
EAN-13 3479775513003
Must be used with copper busbars.

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