Experience reliable electrical protection with the ABB S5N SACE S5 Circuit Breaker. Designed for high performance, this 400A, 4-pole unit is rated for voltages between 551-600 V, ensuring it's suited for a range of industrial, commercial, and data center applications. Its robust ABS/plastic construction with a gray finish complements its durability and safety features. The circuit breaker comes with a PR211 trip unit and is equipped with a bolt-on mounting style for easy installation. Its maximum amperage rating of 400 A and current type of AC make it ideal for interior use. The unit's on/off operation is controlled by a switch, providing a straightforward method for managing electrical flow.