3VA5280-7ED31-1AA0 SIEMENS

The 3VA5280-7ED31-1AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This UL 489 listed breaker falls under frame size 250 and boasts a high breaking capacity class C, capable of interrupting fault currents up to 100kA 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 specific model is suitable for use at an ambient temperature of 50 degrees Celsius and is designated as SB (naval), indicating compliance with specific marine standards. Note that this particular model does not include connection terminals. The 3VA5280-7ED31-1AA0 ensures dependable circuit protection, minimizing downtime and enhancing electrical system safety. Its robust design and compliance with UL 489 standards make it a suitable choice for demanding environments. This circuit breaker provides reliable performance and protection for critical electrical circuits.