Circuit breaker 3VA1 IEC Frame 160 Switching capacity class M Icu=55kA @ 415V 3-pole, system protection TM210, FTFM, In=80A overload protection Ir=80A fixed setting short-circuit protection Ii=10 x In terminal connection. SENTRON 3VA1 compact circuit breakers provide effective system protection through safe disconnection in overload and short-circuit situations. The 3VA compact circuit breakers set standards in flexibility and modular diversity while requiring minimal space. The 3VA1 compact circuit breakers are available in 1-, 2-, 3-, and 4-pole versions with various rated currents for installation in fixed mount as well as plug-in/slide-in technology. The modular and easy-to-install accessories with various functions are consistent and uniform across all sizes and series of the 3VA compact circuit breakers. SENTRON 3VA compact circuit breakers - A system. For all applications.