The Siemens 3VA molded case circuit breakers are cost-effective power distribution products with line protection ETU350, LSI, In=100A overload protection Ir=40A...100A short-circuit protection Isd=1.5...10 x Ir, Ii=12 x In N conductor protection adjustable (OFF, 50%, 100%) nut keeper kit 3VA2 molded-case circuit breaker with 3-series ETU 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
Series has a solid-state overcurrent trip unit
Can be installed fixed, in plug-in design or as withdrawable version