<p>The ABB MCCB XT5H is a 630A frame, 3P circuit breaker with a fixed rating of 70kA. It has an In (rated current) of 630A and I1 (adjustable overload range) of 252-630A. The short-circuit interrupting capacity ranges from S-I2=378-6300A to I-I3=945-6300A. This MCCB features a touch LSI trip unit and is equipped with class 1 metering. It has front terminals for easy access.</p>