ABB XT4VU3100AYJ000XXX is a 3-pole molded-case circuit breaker from ABB’s SACE Tmax XT4 family, designed to protect three‑phase electrical circuits in low‑voltage distributions. The device is rated for 100 A and 250 V, aligning with common three‑phase panel installations and indicating its use in ABB‑compatible switchgear. As an XT4 variant, XT4VU3100AYJ000XXX belongs to the modular XT4 lineup known for compact form factors and interchangeability within ABB distribution boards, making it a suitable option for reliable overcurrent protection in panel installations where ABB equipment is standard.
