3VA5250-5ED31-1AA0 SIEMENS

The 3VA5250-5ED31-1AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in various electrical systems. It falls under the 3VA5 UL Frame 250 series, ensuring compliance with UL489 standards for safety and performance. This circuit breaker boasts a breaking capacity class M, capable of interrupting fault currents up to 35kA at 480V. Equipped with a TM210 trip unit, it offers fixed thermal-magnetic protection with an In=50A rated current. The overload protection (Ir) is fixed at 50A, providing consistent and dependable overload response. For short-circuit protection, the Ii setting is configured at 10 times the rated current (10 x In), enabling rapid response to high-level fault currents. This model is specifically certified for SB (naval) applications, indicating its suitability for marine environments and compliance with relevant standards. It is designed to operate reliably in ambient temperatures up to 50 degrees Celsius. Note that this circuit breaker is supplied without connection terminals, allowing for flexible connection options based on specific installation requirements.