This is a connection accessory for PowerpacT J-Frame I-Line circuit breakers. This compression lug kit, has a rated current of 250A and is made of aluminum. This lug kit is for a 3 pole circuit breaker. This lug kit accepts AWG 3/0 / 350 kcmil wire, aluminum/copper. This accessory complies with UL and CSA standards This product comes in a set of 3. With a tightening torque of 14.7-15.8 Nm.