Circuit breaker 3VA1 IEC Frame 160 Switching capacity class S Icu=36kA @ 415V 3-pole, system protection TM240, ATAM, In=50A overload protection Ir=35A...50A short-circuit protection Ii=5...10 x In terminal connection. Compact circuit breaker SENTRON 3VA1 for 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 with minimal space requirements. The 3VA1 compact circuit breakers are available in 1-, 2-, 3-, and 4-pole versions with various rated currents for installation in fixed mounting as well as plug-in/slide-in 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.