The ABB T5S630 PR221DS‑LS/I R630 P MP 3P is a heavy‑duty three‑pole molded case circuit breaker (MCCB) from ABB’s Tmax T5 series, designed to provide reliable protection and switching for low‑voltage electrical distribution systems. It incorporates an electronic trip unit (PR221DS‑LS/I) offering adjustable thermal and magnetic protection with performance level S, suitable for protecting circuits and electrical equipment from overloads, short circuits, and fault conditions. The breaker has a fixed installation style with front connection terminals and robust construction for industrial, commercial, and power distribution applications.
