Circuit breaker 3VA1 IEC Frame 1000 Switching capacity class C Icu=110kA @ 415V 4-pole, system protection TM240, ATAM, In=630A overload protection Ir=440A...630A short-circuit protection Ii=5...10 x In N-conductor unprotected screw flat 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 installations 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.