Circuit breaker 3VA2 IEC Frame 100, switching capacity class M, Icu=55kA @ 415V, 4-pole, system protection ETU550, LSI, In=40A, overload protection Ir=16A...40A, short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In, adjustable neutral conductor protection (OFF, up to 160%), screw flat connection. The SENTRON 3VA2 compact circuit breaker provides effective system protection through safe disconnection in case 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 3- and 4-pole versions with various rated currents for installation in fixed mounting 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.