<p>The MCCB XT7S is a 1600A frame, 3P (three-pole) circuit breaker with a fixed rating of 50kA. It has an In (rated current) of 1600A and I1 (adjustable overload range) of 640-1600A. The S-I2 (short-time withstand current) ranges from 960-16000A, while the I-I3 (instantaneous trip range) is between 2400-24000A. This circuit breaker features a touch LSI (Long-Time, Short-Time, Instantaneous) trip unit with class 1 metering capabilities. It also has front terminals and is manufactured by ABB.</p>