The Siemens circuit breaker 3VA2 IEC frame 400 breaking capacity class H , line protection ETU850, LSI, molded-case circuit breaker with 8-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. The 3VA molded-case circuit breakers set new standards in flexibility and the variety of modular accessories available. Standardized accessories for several sizes across all series of the 3VA1 and 3VA2 molded-case circuit breakers.

Key features of this version of the 3VA molded-case circuit breaker:
1. Compact design.
2. Available as version for plant protection and generator protection.
3. Available as 3-pole and 4-pole version.
4. Can be installed fixed, in plug-in design or as withdrawable version.
5. The series has a solid-state overcurrent trip unit.
6. Integrated display for measured values.
7. Integrated measuring function and optional communication connection via Modbus TCP, Modbus RTU, PROFINET and PROFIBUS.
8. Modular and easy-to-fit internal accessories with wide range of functions.