ABB: S803UP K20 – High Performance MCB
Meet ABB’s most powerful UL‑certified High-Performance Circuit Breaker in a compact DIN-rail size (81 mm, 3‑pole design), compliant with UL 489 at 480V. The S800UP Series is engineered for demanding environments, delivering reliable protection and enhanced performance without sacrificing space. An ideal option for critical power infrastructures, data centers, and renewable applications, the S803UP K20 MCB ensures consistent operation where uptime and efficiency matter most. Explore how its compact form, 50 kA interrupting capacity, and easy integration can elevate your installation.

