Burndy Std Belled Barrel CU Lug 1Hole 500Kcmil

Copper Lug Connector

The Burndy Std Belled Barrel CU Lug is a one-hole compression connector made from copper with a belled straight barrel design. It accepts 500 Kcmil conductors and is rated for a maximum operating temperature of 194 Degrees F. The lug carries CSA certification and meets UL 486A-486B standards for electrical safety and reliability. Its brown color code and die code 27 identify the correct crimping tool settings.

For High-Current Copper Terminations

This lug suits electricians and panel builders terminating large copper cables in commercial or industrial power distribution equipment. The single 5/8 in stud hole fits standard busbar or breaker lug patterns. Buyers needing multi-hole mounting pads, aluminum conductor compatibility, or angled barrel configurations should look at alternative connector styles. The belled barrel eases cable insertion but does not change the required crimp die.

Sustained Load Behaviour

Under continuous rated current the copper body runs at temperatures up to the 194 Degrees F limit without degrading the crimp joint or the UL listing. The belled straight barrel maintains consistent contact pressure across the full conductor cross-section during thermal cycling. Proper crimping to die code 27 ensures the connection resistance stays stable over long service periods in commercial installations.