Vacuum circuit breaker

live-tankmedium-voltagemodular

Live-Tank outdoor vacuum circuit-breakers offer reliable operation in the toughest climates. They are designed for a long service life with virtually no maintenance. Why Live-Tank outdoor vacuum circuit-breakers? 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. Featured capabilities Designed for ease of installation and operation 3AF0 live-tank circuit breakers use a modular structure, lightweight components and proven switching functionality to make installation and operation easy. High reliability and operational safety The sealed-pole design of 3AF0 live-tank circuit breakers enables them to withstand the harshest conditions while remaining totally restrike-free. Type-tested endurance All Siemens live-tank circuit breakers are independently type-tested, and they meet the new IEC 62271-100 standard up to 40.5 kV.