3VA5340-0BB31-0AA0 SIEMENS

The 3VA5340-0BB31-0AA0 is a robust molded case switch from Siemens, designed for reliable circuit protection in industrial and commercial applications. This 3VA5 UL frame switch offers a maximum short circuit current rating of 65kA at 480V, ensuring effective protection against overcurrents. It features a three-pole configuration, making it suitable for three-phase systems. Specifically designed for line protection, this model incorporates an MCS110 trip unit. The rated current (In) is 400A, providing ample capacity for demanding electrical loads. Notably, this switch is without overload protection, relying on self-protection mechanisms with an instantaneous trip setting (Ii) at 15 times the rated current (In). This configuration ensures rapid response to short circuit events. The 3VA5340-0BB31-0AA0 is supplied without connection terminals, allowing for flexible installation options based on specific application requirements. It is engineered for dependable performance and long-term durability. This switch is ideal for applications where robust short-circuit protection is paramount.