3VA5180-4ED21-1AA0 SIEMENS

The 3VA5180-4ED21-1AA0 is a UL-listed circuit breaker from Siemens, belonging to the 3VA5 series and designed with a frame size of 125. It features a breaking capacity class S, providing a robust 25kA interrupting capability at 480V, suitable for demanding applications. This 2-pole circuit breaker is specifically configured for line protection, ensuring the safety and reliability of electrical circuits. Equipped with a TM210 trip unit, it offers fixed thermal (FT) and fixed magnetic (FM) protection settings. The rated current (In) is 80A, with overload protection (Ir) also set at 80A, providing consistent and reliable performance. Short-circuit protection (Ii) is fixed at 10 times the rated current (10 x In), offering rapid response to fault conditions. Compliant with UL 489 standards, this circuit breaker is also suitable for SB (naval) applications, demonstrating its versatility and ruggedness. It is designed to operate effectively at 50 degrees Celsius without derating, ensuring stable performance in elevated temperature environments. Note that this model is supplied without connection terminals, allowing for flexible installation options.