3VA5211-7ED31-1AA0 SIEMENS

The 3VA5211-7ED31-1AA0 is a robust and reliable 3-pole circuit breaker from Siemens' 3VA5 UL series, designed for comprehensive line protection. This circuit breaker features a frame size of 250 and a breaking capacity class C, capable of interrupting fault currents up to 100kA at 480V, ensuring electrical system safety. Equipped with a TM210 trip unit, it offers both overload and short-circuit protection. The overload protection (Ir) is fixed at 110A, providing reliable protection against sustained overcurrents. The fixed short-circuit protection (Ii) is set at 10 times the rated current (In=110A), offering fast response to high-level fault currents. This model is UL 489 certified and suitable for SB (naval) applications, demonstrating its compliance with stringent safety standards. It is designed to operate effectively at 50 degrees Celsius without derating, ensuring consistent performance in demanding environments. The circuit breaker is supplied without connection terminals, allowing for flexible installation options based on specific application requirements. Its robust design and comprehensive protection features make it a suitable choice for various industrial and commercial applications where reliable circuit protection is critical.