Circuit breaker 3VA2 IEC Frame 160 Switching capacity class H Icu=85kA @ 415V 4-pole, system protection ETU320, LI, In=100A overload protection Ir=40A...100A short-circuit protection Ii=1.5...12 x In N-conductor protection adjustable (OFF, 50%, 100%) screw flat connection. SENTRON 3VA2 compact circuit breakers provide effective system protection through safe disconnection in the event of overload and short circuit. The 3VA compact circuit breakers set standards in flexibility and modular variety while requiring minimal space. They are available in 3-pole 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 3VA compact circuit breakers - a system for all applications.