3VA5240-5ED31-1AA0 SIEMENS

The 3VA5240-5ED31-1AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in various electrical systems. This UL489-certified breaker falls under Frame 250 and boasts a breaking capacity class M, capable of interrupting fault currents up to 35kA at 480V. Equipped with a TM210 trip unit, it offers fixed thermal overload protection set at Ir=40A, safeguarding against prolonged overcurrents. The fixed magnetic short-circuit protection (Ii) is configured at 10 times the rated current (In=40A), ensuring rapid response to short-circuit events. This model is specifically designed and approved for naval applications (SB), demonstrating its resilience in demanding environments. It is rated for operation in ambient temperatures up to 50 degrees Celsius, ensuring consistent performance even in warmer conditions. The breaker is configured without connection terminals, allowing for flexible wiring configurations based on specific installation requirements. This circuit breaker provides dependable protection and is suitable for a range of industrial and commercial applications. Its compliance with UL489 standards guarantees adherence to stringent safety and performance criteria.