The ABB Tmax XT5L 400 is a fixed‑frame molded‑case circuit breaker (MCCB) designed for industrial and commercial low‑voltage power distribution and protection. It provides reliable overload, short‑circuit, and fault protection for electrical systems up to 400 A continuous current. The XT5L breaker can be equipped with different trip units (thermomagnetic or electronic) depending on application needs, enabling selective protection and adjustable coordination. The breaker features front terminals and a robust mechanism suitable for installation in distribution panels, switchboards, and machinery control panels.
