3VA5145-6EC31-0AA0 SIEMENS

The 3VA5145-6EC31-0AA0 is a UL-listed 3VA5 series molded case circuit breaker from Siemens, designed for reliable circuit protection in industrial and commercial applications. This three-pole breaker, part of Frame 125, offers a high breaking capacity of 65kA at 480V, ensuring effective protection against overcurrents and short circuits. It features a TM230 trip unit, specifically configured for line protection, providing optimized performance for various electrical systems. The breaker's rated current (In) is 45A, with a fixed overload protection setting (Ir) also at 45A, safeguarding conductors from sustained overloads. The short-circuit protection (Ii) is fixed at 5 to 10 times the rated current (In), enabling rapid response to high-level fault currents. This model is without connection, allowing for flexible installation options based on specific application requirements. The FTAM functionality enhances its suitability for advanced monitoring and control systems. Siemens' 3VA series circuit breakers are known for their robust construction and dependable performance, making them a preferred choice for critical power distribution systems. This circuit breaker provides a comprehensive solution for protecting electrical circuits and equipment from damage due to overloads and short circuits.