3VA5340-5EF31-0AA0 SIEMENS

The 3VA5340-5EF31-0AA0 is a robust 3VA5 UL frame circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This three-pole breaker boasts a breaking capacity class M, capable of interrupting fault currents up to 35kA at 480V. It is equipped with a TM240 trip unit, offering advanced protection and monitoring capabilities. The ATAM functionality enhances the breaker's adaptability to various load conditions. Its rated current (In) is 400A, providing ample capacity for demanding circuits. Notably, this model does not include overload protection, allowing for customized protection schemes. However, it features adjustable short-circuit protection (Ii) ranging from 5 to 10 times the rated current, ensuring rapid response to short-circuit events. The absence of a connection mechanism allows for flexible wiring configurations. This circuit breaker is ideal for applications where precise and adjustable protection settings are required. It provides a dependable solution for safeguarding electrical systems against overcurrents and short circuits.