Circuit breaker 3VA2 IEC Frame 100 Switching capacity class M Icu=55kA @ 415V 3-pole, system protection ETU320, LI, In=100A overload protection Ir=40A...100A short-circuit protection Ii=1.5...12 x In terminal connection. SENTRON 3VA2 compact circuit breakers provide effective system protection through safe disconnection in overload and short-circuit situations. The 3VA compact circuit breakers set standards in flexibility and modular diversity 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 mount as well as plug-in 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.