3VA5150-4ED11-1AA0 SIEMENS

The 3VA5150-4ED11-1AA0 is a robust 1-pole circuit breaker from Siemens, designed for reliable line protection in various electrical systems. This UL 489 listed breaker falls under frame size 125 and boasts a breaking capacity class S, capable of interrupting fault currents up to 25kA at 277V. Equipped with a TM210 trip unit, it offers fixed thermal overload protection set at Ir=50A, safeguarding circuits from sustained overcurrents. The fixed magnetic short-circuit protection (Ii) is set at 10 times the rated current (In=50A), providing rapid response to short-circuit events. This model is specifically designed for applications requiring compliance with UL 489 standards. It is suitable for use in SB (naval) applications and is rated for operation at 50 degrees Celsius. The breaker is supplied without connection terminals, allowing for flexible connection options based on specific installation requirements. Its compact design and reliable performance make it an ideal choice for protecting critical electrical circuits. The FTFM functionality enhances its suitability for diverse installation scenarios.