Circuit breaker 3VA2 IEC Frame 1000 Switching capacity class H Icu=85kA @ 415V 4-pole, system protection ETU860, LSIG, In=800A overload protection Ir=320A...800A short-circuit protection Isd=0.6..10x In, Ii=1.5..10x In N-conductor protection adjustable (OFF, up to 160%) earth fault protection, switchable Ig=0.2...1 x In= tg=0.05-0.8s screw flat connection. The SENTRON 3VA2 compact circuit breaker provides effective system protection through safe disconnection in case of overload and short circuit. The 3VA compact circuit breakers set standards in flexibility and modular diversity while requiring minimal space. They 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 - a system for all applications.