This standard specifies the technical requirements, inspection rules and delivery requirements for subbell-shaped copper bars. This standard applies to the manufacture of dumbbell-shaped copper bars for fuse contacts. This standard must be used together with JB/T 9612.1.
JB/T 9612.5-1999 history
2013JB/T 9612.5-2013 Shaped copper and copper alloy bus bars for electrical purposes.Part 5: Dumbbell shape bus bars
1999JB/T 9612.5-1999 Shaped copper and copper alloy bus bar for electrical purposes.Part 5:Dembbell bus bar