This lug is a connection accessory for PowrePacT J-Frame circuit breakers. This is a compression lug with a rated current of 250 amps. This compression lug is made of copper. The lug kit are for terminal connection and will accept a wire size of AWG 2/0 / 300 kcmil. This product complies with UL and CSA standards. This lug can be used only on standard circuit breakers. This product comes in a set of 3. This lug has a tightening torque of 14.7-15.8 Nm.