LKE builds state-of-the-art high voltage products with ratings from 72kV to 252kV. Our range of products consists of 3-pole outdoor live-tank SF6 gas circuit breakers. The circuit breakers are of the self-extinguish (auto-puffer) type, driven by spring mechanism or hydro-mechanical spring operating mechanism. The circuit breakers are designed for HVAC and HVDC applications for lines, transformer, reactor and capacitive switching duties. The complete range includes GCBs for single phase or 3-phase operations up to 252kV, 50kA for -50 oC/ -58oF.