The Siemens 3VA molded case circuit breakers are cost-effective power distribution products with line protection TM240, ATAM, In=100A overload protection Ir=70A...100A short-circuit protection Ii=5...10 x In N conductor protection 100% clamp connection 3VA1 molded-case circuit breaker for system protection. As an important element of SENTRON protective components for industrial and infrastructure applications, the 3VA molded-case circuit breakers from Siemens provide effective plant, starter and motor protection thanks to reliable shutdown in the event of an overload or short circuit. Compact design Available as version for plant protection The series has a thermo-magnetic trip unit Fixed and plug-in installation possible