1SDA066743R1

ABB 1SDA066743R1 – A1B 125 TMF 100A 4-Pole MCCB is a fixed-type moulded case circuit breaker from ABB’s Formula series, designed for reliable protection of electrical distribution systems against overload and short-circuit conditions. It features a 100A rated current, 125A frame size, 4-pole configuration, and a thermal-magnetic fixed (TMF) trip unit. The breaker is provided with fixed front terminals for convenient panel installation and is suitable for industrial and commercial power distribution applications. It offers a rated insulation voltage of 690V and IEC-compliant protection performance, with an interruption rating of up to 18 kA depending on the operating voltage.