AMT Electric Private Limited, Sales Operations Overview And Applications of TMAX-XT Series Overview One of the most portable moulded case circuit breakers (MCCB) available today, the TMAX XT from ABB can handle currents of up to 250 amps. The entire Tmax XT family, which carries IEC marking... 3p 4p ABB AMT Circuit Breakers LV MCCB TMAX XT XT1 XT3 XT4 pakistan switchgear switzerland Nov 1, 2022