The Siemens circuit breaker 3VA5 UL frame 250 breaking capacity molded-case circuit breaker for cable protection. As an important element of SENTRON protective components for industrial and infrastructure applications, the 3VA UL molded-case circuit breakers from Siemens provide effective plant and starter protection thanks to reliable shutdown in the event of an overload or short circuit. The 3VA UL sets new standards in terms of flexibility and the variety of modular accessories available. The 3VA UL molded-case circuit breakers also offer the perfect conditions for machine and switchgear manufacturers who export worldwide. Alongside the IEC standard, both the 3VA5 and 3VA6 range also meet the UL standard. All functions can therefore be implemented and used for systems worldwide.

Compact design
Available as version for plant protection
The series has a thermo-magnetic trip unit
Modular and easy-to-fit internal accessories with wide range of functions.