The ABB T2S160 MA100 is a high-current, thermal-magnetic molded case circuit breaker (MCCB) from ABB's Tmax series (specifically the T2 frame). It is a 160 Ampere frame, three-pole circuit breaker equipped with a Micrologic electronic trip unit (MA type), providing advanced protection, communication, and monitoring capabilities for main distribution and feeder circuits in commercial, industrial, and infrastructure applications.