Circuit breaker 3VA2 IEC Frame 1250 breaking capacity class M Icu=55kA @ 415 V 3-pole, line 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 optionally with ext. CT up to 160% ground fault protection, can be switched off Ig=0.2... 1 x In, tg=0.05-0.8s Connection extension for SENTRON 3VA2 molded case circuit breakers for effective system protection through safe shutdown in the event of overload and short circuits. The 3VA molded case circuit breakers set standards in flexibility and modular diversity with minimal space requirements. The 3VA2 molded case circuit breakers are available in 3- and 4-pole versions with various rated continuous currents for fixed installation and plug-in/withdrawable installation. The modular and easy-to-install accessories with a wide range of functions are consistent and standardized for all sizes and series of 3VA molded case circuit breakers. SENTRON 3VA molded case circuit breakers - one system. For all applications.