Circuit breaker 3VA2 IEC Frame 1250 Switching capacity Class C Icu=110kA @ 415 V 3-pole System 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 system protection through safe disconnection in overload and short-circuit situations. The compact circuit breakers 3VA set standards in flexibility and modular variety with minimal space requirements. The compact circuit breakers 3VA2 are available in 3- and 4-pole designs with various rated currents for installation in fixed installations as well as in plug-in technology. The modular and easy-to-install accessories with diverse functions are consistent and uniform across all sizes and series of the compact circuit breakers 3VA. SENTRON compact circuit breakers 3VA - a system for all applications.