3VA5450-5EC31-0AA0 SIEMENS

The 3VA5450-5EC31-0AA0 is a robust 3VA5 UL frame circuit breaker from Siemens, designed for reliable circuit protection in industrial and commercial applications. This three-pole breaker boasts a breaking capacity class M, capable of interrupting fault currents up to 35kA at 480V. It is configured for line protection, utilizing a TM230 trip unit with a fixed thermal magnetic setting. The rated current (In) is 500A, providing ample capacity for demanding loads. This particular model does not include overload protection, prioritizing instantaneous short-circuit response. The fixed short circuit protection (Ii) is adjustable within a range of 5 to 10 times the rated current, allowing for customization based on specific application requirements. It is designed without connection terminals, offering flexibility in installation and connection methods. This circuit breaker ensures dependable performance and safety in electrical distribution systems. Its robust design and precise engineering make it a suitable choice for various industrial and commercial settings where reliable circuit protection is paramount.