CatalogBusExpansion Supports EHV Bus Expansion Support PLK3700 Part Number Generator Part Number SKU Part Description Full Material Aluminum Bus NPS Size Choose 3" 3-1/2" 4" 5" 6" Bolt Circle Radius Choose 3" & 5" 5" & 7" Add to Quote Various bolt circle configurations possible Includes 19-1/2" Diameter Corona Ring Expands up to 4.42" throughout a 315° range of temperatues View Bus Expansion Settings Download Product Cut Sheet Additional Information Bolt Circles 3″/5″, 5″/7″ Material Aluminum You may also like… EHV Slip Fit Bus SupportPLK3200 Reduced Size EHV Bus Expansion SupportPLK3701 Bus Support Mounting HardwarePLK8010 You may also like… EHV Slip Fit Bus SupportPLK3200 Reduced Size EHV Bus Expansion SupportPLK3701 Bus Support Mounting HardwarePLK8010 Related Products Bus TeePLK1500 Center Formed Terminal with 2″, 2-Hole NEMA PadPLK1855 Offset Terminal with 2″, 2-Hole NEMA PadPLK1885 Copper Center Formed Terminal with 4″, 4-Hole NEMA PadCPL1850