Circuit breaker 3VA1 IEC Frame 400, switching capacity class C, Icu=110kA at 415 V, 4-pole, system protection TM240, ATAM, In=320A, overload protection Ir=224A to 320A, short-circuit protection Ii=5 to 10 x In, neutral conductor protection, 1 screw flat connection. The SENTRON 3VA1 compact circuit breaker provides effective system protection through safe disconnection in the event of overload and short circuit. The 3VA compact circuit breakers set standards in flexibility and modular variety while requiring minimal space. They are available in 1-, 2-, 3-, and 4-pole versions with various rated currents for fixed installation as well as plug-in/insert technology. The modular and easy-to-install accessories with diverse functions are consistent and uniform across all sizes and series of the 3VA compact circuit breakers. SENTRON compact circuit breakers 3VA - a system for all applications.