circuit breaker 3VA2 IEC frame 1000 breaking capacity class H Icu=85kA @ 415V 4-pole, line protection ETU860, LSIG, In=800A overload protection Ir=320A…800A short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In N conductor protection adjustable (OFF, up to 160%) gr.-fault prot., can be sw. off Ig=0.2…1 x In= tg=0.05-0.8s nut keeper kit 3VA2 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. Four breaking capacity classes from 55 kA to 150 kA at 415 V. 5. Depending on the size: Rated current 25 A. 630 A. 6. Can be installed fixed, in plug-in design or as withdrawable version. 7. The series has a solid-state overcurrent trip unit. 8. Integrated display for measured values. 9. Integrated measuring function and optional communication connection via Modbus TCP, Modbus RTU, PROFINET and PROFIBUS. 10. Modular and easy-to-fit internal accessories with wide range of functions. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.