Circuit breaker 3VA2 IEC Frame 250 breaking capacity class M Icu=55kA @ 415 V 3-pole, motor protection ETU550M, LSI, In=160A overload protection Ir=63A ...160A short-circuit protection ISD=1.2... 15x In,Ii=3...15x In screw flat connection SENTRON 3VA2 molded case circuit breaker for effective motor protection to protect electric motors against overload and short circuit. The 3VA molded case circuit breakers set standards in flexibility and modular variety with little space requirement. The 3VA2 molded case circuit breakers are available in 3- and 4-pole versions with different rated continuous currents for fixed installation as well as 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 the 3VA molded case circuit breakers. SENTRON 3VA molded case circuit breakers - one system. For all applications.