Circuit breaker 3VA1 IEC frame 630 breaking capacity class S Icu=55kA @ 415V 4-pole, line protection TM240, ATAM, In=630A overload protection Ir=440A...630A short-circuit protection Ii=4...8 x In N conductor protection 50% nut keeper kit 3VA1 molded-case circuit breaker for starter 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.
Features
- Compact design
- Available as version for starter circuit breaker to protect electrical motors from short circuits
- Fixed and plug-in installation possible
- The series has a thermo-magnetic trip unit
- Modular and easy-to-fit internal accessories with wide range of functions
- Integrated accessories platform for all 3VA molded-case circuit breakers
