The ABB 1SDA054546R1 is a high-performance circuit breaker designed for robust electrical safety and efficiency. This model, part of the Tmax T5L series, features a fixed three-pole design with front terminals suitable for copper cables. It operates at 1000V AC, ensuring compatibility with high-voltage applications. The breaker is equipped with a solid-state release system, PR222DS/P-LSIG, which provides reliable protection with adjustable settings for long-time, short-time, instantaneous, and ground fault functions, ensuring comprehensive coverage and operational safety. Ideal for industrial settings requiring precise and durable circuit management, this breaker maintains a compact form factor while offering a rated current of 630A, making it a versatile choice for various electrical installations.