3VA5111-5EC31-1AA0 SIEMENS

The 3VA5111-5EC31-1AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in various electrical systems. This UL 489 certified breaker falls under frame 125 and boasts a breaking capacity class M, capable of handling 35kA at 480V. Equipped with a TM230 trip unit featuring FTAM functionality, it offers precise overload protection with a fixed current setting of In=110A and Ir=110A. The short-circuit protection is equally robust, with a fixed setting of Ii=5...10 x In, ensuring rapid response to fault currents. This model is specifically designed and approved for SB (naval) applications, demonstrating its suitability for demanding environments. It maintains optimal performance even at elevated temperatures, with a rated operational temperature of 50 degrees Celsius without requiring connection hardware. The 3VA5111-5EC31-1AA0 circuit breaker provides a dependable solution for safeguarding electrical circuits against overloads and short circuits. Its compliance with UL 489 standards guarantees adherence to stringent safety and performance requirements. Siemens' commitment to quality ensures long-lasting and reliable operation.