ABB XT4HU3250EFF000XXX Molded Case Circuit Breaker

ABB SACE Tmax XT4HU3250EFF000XXX is a three‑pole molded‑case circuit breaker (MCCB) in the Tmax XT family, rated for 250 A at up to 600 V AC with a short‑circuit current rating up to 25 kA at 600 V. This variant is a front‑terminal, line‑side top and load‑side bottom termination model designed for reliable protection in distribution, transformer, and generator applications. The catalog shows EKIP electronic release options associated with this series, with subvariants referencing EKIP‑I or EKIP‑LSI configurations depending on the exact part code. In UL‑rated configurations, the XT4H 250 A class is documented for 600 V systems and high fault‑current environments, aligning with ABB’s SACE Tmax XT lineup. Model details commonly appear as XT4HU3250EFF000XXX, confirming 3P, 250 A, 600 V, and front‑terminal construction within the XT4 family.