3VA5450-6EC31-0AA0 SIEMENS

The 3VA5450-6EC31-0AA0 is a robust 3VA5 UL frame circuit breaker from Siemens, designed for reliable line protection in demanding electrical systems. This three-pole breaker boasts a breaking capacity class H, capable of interrupting fault currents up to 65kA at 480V, ensuring safety and preventing damage to equipment. Equipped with a TM230 trip unit, it provides fixed thermal-magnetic protection, with a rated current (In) of 500A. Notably, this model does not include overload protection, focusing solely on short-circuit and instantaneous overcurrent scenarios. The fixed short circuit protection (Ii) is adjustable from 5 to 10 times the rated current, offering flexibility in tailoring the protection to specific application needs. This circuit breaker is designed without connection terminals, allowing for customized wiring solutions based on the installation requirements. Ideal for applications where high interrupting capacity and precise short-circuit protection are paramount, the 3VA5450-6EC31-0AA0 delivers dependable performance. Its FTAM functionality enhances its suitability for advanced monitoring and control systems. This Siemens circuit breaker provides a reliable solution for safeguarding electrical circuits against overcurrents and short circuits.