The Siemens 3VA2 circuit breakers set new standards in terms of flexibility and variety of modular accessories. Standardized accessories suitable for use with several sizes of circuit breaker from all the 3VA ranges help to cut costs and save installation time. The 3VA2 molded case circuit breakers reliably perform all the tasks required for line protection, generator protection, motor protection and starter protection. Compact design 3 and 4-pole versions Fixed-mounting, plug-in technology, draw-out technology Depending on size: Selective protection response at rated operating current interval 1: 2.5 Electronic Trip Units Retrofit communication for ETU 5-series and 8-series Depending on the ETU: Integrated measurement function AC applications No derating up to +50 °C Modular and easy-to-fit internal accessories with diverse functions Uniform accessories platform across all 3VA molded case circuit breakers