ABB SACE Tmax T5 L 400 Circuit Breaker 400A 3P 600V T5L400 400 amp 3 Pole

Description

The ABB T5L 400 PR221DS-LS/I molded case circuit breaker is designed for dependable protection in commercial and industrial low-voltage power distribution. Rated at 400A, this 3-pole fixed breaker includes front terminals and a solid-state PR221DS-LS/I trip unit offering LS/I protection functions for overload and short-circuit conditions. It delivers high performance with breaking capacities reaching 200 kA at 230V AC and up to 70 kA at 690V AC, ensuring robust fault handling across a wide voltage range.

The breaker meets IEC standards and provides excellent operational durability, including 20,000 mechanical operations and 7,000 electrical operations. With a rated insulation voltage of 1000V, an impulse withstand voltage of 8 kV, and a compact, reliable T5 frame design, the T5L 400 is suitable for a variety of power distribution and equipment protection applications. This model is ideal for systems requiring high safety, reliability, and compliance with modern electrical protection requirements.