3VA5280-5EC31-1AA0 SIEMENS

The 3VA5280-5EC31-1AA0 is a robust and reliable 3-pole circuit breaker from Siemens, designed for line protection in various electrical systems. This circuit breaker is part of the 3VA5 UL frame 250 series, ensuring high performance and safety. It boasts a breaking capacity class M, capable of handling 35kA at 480V, making it suitable for demanding applications. Equipped with a TM230 trip unit, it offers fixed thermal-magnetic (FTAM) protection, enhancing its protective capabilities. The circuit breaker has a rated current (In) of 80A, providing overload protection set at Ir=80A. Its short-circuit protection (Ii) is adjustable between 5 to 10 times the rated current (In), offering flexibility in protection settings. Compliant with UL 489 standards and suitable for SB (naval) applications, this circuit breaker ensures adherence to stringent quality and safety requirements. It is designed to operate reliably at 50 degrees Celsius without requiring a connection, simplifying installation and maintenance. This Siemens circuit breaker provides dependable protection and performance in diverse electrical environments.