Live-Tank outdoor vacuum circuit breakers provide reliable electrical and mechanical quality for all medium-voltage networks. Their lightweight, modular design makes them easy to install and virtually maintenance-free, ensuring high operational safety in any environment.
Built on 40 years of proven reliability, Siemens circuit breakers are manufactured to the highest standards to withstand the toughest climates.
3AF0 live-tank circuit breakers use a modular structure, lightweight components and proven switching functionality to make installation and operation easy.
The sealed-pole design of 3AF0 live-tank circuit breakers enables them to withstand the harshest conditions while remaining totally restrike-free.
All Siemens live-tank circuit breakers are independently type-tested, and they meet the new IEC 62271-100 standard up to 40.5 kV.