circuit breaker 3VA2 IEC frame 1000 breaking capacity class C Icu=110kA @ 415V 3-pole, line protection ETU550, LSI, In=1000A overload protection Ir=400A...1000A short-circuit protection Isd=0.6..10x In, Ii=1.5..10x In N conductor protection optionally with external current transformer, up to 160% nut keeper kit 3VA2 molded-case circuit breaker with 5-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 to 630 A. 6. Can be installed fixed, in plug-in design or as withdrawable version. 7. Excellent selective protection response in rated operational current - interval 1: 2.5 and 1:1.6. 8. The series has a solid-state overcurrent trip unit. 9. Integrated display for measured values. 10. Optional communication connection via Modbus TCP, Modbus RTU, PROFINET and PROFIBUS. 11. Modular and easy-to-fit internal accessories with wide range of functions. www.siemens.de/3VA. 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.