3VA5340-7EF31-2AA0 SIEMENS

The 3VA5340-7EF31-2AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. As part of the 3VA5 UL frame series, this breaker offers a frame size of 400A, ensuring it can handle substantial current loads. It boasts a breaking capacity class C, capable of interrupting fault currents up to 100kA at 480V, providing a high level of protection against short circuits and overloads. The breaker features a TM240 trip unit, equipped with ATAM (Adjustable Thermal-Magnetic) functionality for precise current control. The overload protection (Ir) is adjustable from 280A to 400A, allowing customization to specific circuit requirements. The short circuit protection (Ii) is set at 5 to 10 times the rated current (In), providing instantaneous tripping in the event of a fault. This model does not include a connection, offering flexibility in installation and wiring configurations. Its adjustable settings and high breaking capacity make it suitable for demanding applications requiring reliable and customizable circuit protection. The 3VA5340-7EF31-2AA0 ensures the safety and longevity of electrical systems.