This mechanical lug is a connection accessory is a PowerPacT Multistandard circuit breaker. This lug is for a 3 pole, PowerPacT L-Frame breakers. With a rated current of 400-600A, this lug is made of aluminum. This lug is capable of 1 aluminum wire of AWG 3/0 with a 500 kcmil rating. This product comes in a set of 3.