3VA5340-7EC31-1AA0 SIEMENS

The 3VA5340-7EC31-1AA0 is a robust 3VA5 UL frame circuit breaker from Siemens, designed for reliable circuit protection in various applications. This three-pole breaker boasts a breaking capacity class C, capable of interrupting fault currents up to 100kA at 480V, ensuring safety and preventing damage to electrical systems. It is specifically configured for line protection, utilizing a TM230 trip unit with a fixed thermal-magnetic (FTAM) function. The breaker's rated current (In) is 400A, with overload protection (Ir) fixed at 400A to safeguard against sustained overcurrents. Short circuit protection (Ii) is adjustable between 5 to 10 times the rated current (In), providing flexibility in coordinating with downstream devices. Compliant with UL489 standards, this circuit breaker is suitable for use in naval applications (SB) and is designed to operate reliably in ambient temperatures up to 50 degrees Celsius. This model is supplied without connection terminals, allowing for customized wiring solutions. The 3VA5340-7EC31-1AA0 offers a dependable solution for circuit protection needs.