Circuit breaker 3VA1 IEC Frame 400 Switching capacity class M Icu=55kA @ 415V 3-pole, system protection TM240, ATAM, In=320A overload protection Ir=224A...320A short-circuit protection Ii=5...10 x In screw flat connection. The SENTRON 3VA1 compact circuit breaker ensures effective system protection through safe disconnection in overload and short-circuit situations. 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 installation in fixed installations as well as in 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.