Circuit breaker 3VA2 IEC Frame 1250 Switching capacity class M Icu=55kA @ 415 V 3-pole Plant protection ETU550 LSI In=1250A Overload protection Ir=500A ...1250A Short-circuit protection Isd=06..10x In Ii=15..10x In N-conductor protection optional with external CT, up to 160% Switch with straight connection extension. Compact circuit breaker SENTRON 3VA2 for effective plant 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 3VA2 compact circuit breakers are available in 3- and 4-pole versions with various rated currents for installation in fixed mount 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.