Circuit breaker 3VA1 IEC Frame 160 Switching capacity class S Icu=36kA @ 415V 4-pole, plant protection TM220, ATFM, In=50A overload protection Ir=35A...50A short-circuit protection Ii=10 x In N-conductor unprotected terminal connection. Compact circuit breaker SENTRON 3VA1 for effective plant protection through safe disconnection in case of overload and short circuit. The compact circuit breakers 3VA set standards in flexibility and modular diversity with a small footprint. The compact circuit breakers 3VA1 are available in 1-, 2-, 3-, and 4-pole versions with various rated currents for installation in fixed mounting as well as in plug-in technology. The modular and easy-to-install accessories with a wide range of functions are consistent and uniform across all sizes and series of the compact circuit breakers 3VA. SENTRON compact circuit breakers 3VA - One system. For all applications.