Circuit breaker 3VA2 IEC Frame 1250 breaking capacity class M Icu=55kA @ 415 V 3-pole, system protection ETU350, LSI, In=1250A overload protection Ir=500A ...1250A short-circuit protection Isd=1.5... 10 X Ir, Ii=10 x In connection extension molded case circuit breaker SENTRON 3VA2 for effective system protection through safe shutdown in the event of overload and short circuitThe molded case circuit breakers 3VA set standards in flexibility and modular variety with a small space requirement.The molded case circuit breakers 3VA2 are available in 3- and 4-pole versions with different rated continuous currents for installation in fixed installation as well as in plug-in/draw-out technology.The modular and easy-to-install accessories with a wide range of functions are consistent and standardized for all sizes and series of the molded case circuit breakers 3VA.SENTRON molded case circuit breakers 3VA - One system. For all applications.