Circuit breaker 3VA1 IEC Frame 160 Switching capacity class N Icu=25kA @ 415V 4-pole, system protection TM240, ATAM, In=25A overload protection Ir=18A...25A short-circuit protection Ii=6.4...12.8 x In N-conductor unprotected terminal connection. Compact circuit breaker SENTRON 3VA1 for 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. 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/insert 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 3VA compact circuit breakers. SENTRON compact circuit breakers 3VA - A system. For all applications.