3VA5280-6ED31-1AA0 SIEMENS

The 3VA5280-6ED31-1AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This UL 489 certified breaker falls under frame size 250 and boasts a high breaking capacity class H, capable of interrupting fault currents up to 65kA at 480V. Equipped with a TM210 trip unit, it offers fixed thermal overload protection set at Ir=80A, safeguarding conductors from sustained overcurrents. The fixed magnetic short-circuit protection (Ii) is set at 10 times the rated current (In=80A), providing rapid response to short-circuit events. This model is specifically designed and approved for naval applications (SB), ensuring dependable performance in demanding marine environments. It is rated for operation up to 50 degrees Celsius without current derating, maintaining its performance in elevated ambient temperatures. The breaker is supplied without connection terminals, allowing for flexible connection options based on specific installation requirements. This circuit breaker provides robust and reliable protection for electrical systems. It adheres to UL 489 standards.