Circuit breaker 3VA2 IEC Frame 1250 Switching capacity class M Icu=55kA @ 415 V 4-pole, system protection ETU860, LSIG, In=1250A overload protection Ir=500A ...1250A short-circuit protection Isd=0.6..10x In, Ii=1.5..10x In N-conductor protection adjustable (OFF, up to 100%) earth fault protection, switchable Ig=0.2... 1 x In, tg=0.05-0.8s connection extension Compact circuit breaker SENTRON 3VA2 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 3VA2 compact circuit breakers are available in 3- and 4-pole versions with various rated currents for installation in fixed installations as well as 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 3VA compact circuit breakers. SENTRON compact circuit breakers 3VA - one system. For all applications.