Vacuum live-tank circuit breaker 3AV3 FI, Blue portfolio up to 420 kV class, SF6-free vacuum interrupter with clean-air insulation — detailed ratings available on request
3AV3 FI
- EHV live-tank stage of the SF6-free 3AV Blue vacuum circuit-breaker platform, hierarchy product line "Blue Live Tank up to 420 kV (3AV)"
- Live-tank arrangement: interrupters in insulator columns at line potential for a small, economical footprint
- Zero F-gas concept of the Blue portfolio: clean-air insulation (80 % nitrogen / 20 % oxygen) with zero global warming potential from the insulating medium
- No gas reporting or accounting, no special gas-handling training, no toxic decomposition products and no gas disposal at end of life
- No published ratings table in this library for the 420 kV stage — the Blue LT flyer documents the 3AV1 generation (up to 145 kV); 3AV3 FI ratings on request
Extra-high-voltage transmission substations (420 kV class)SF6-free / F-gas-free substation projectsAir-insulated switchyards where a compact live-tank footprint is preferred
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3AV3 FI covers up to 420 kV of the circuit breakers range (≤ 800 kV across the category, √ scale).
Specifications
Documents & downloads
Datasheet 3AV3 FI up to 420 kV — technical data
Flyer Blue portfolio vacuum / clean-air technology overview (published flyer covers the 3AV1 LT generation; 3AV3 ratings on request) (current online edition)
Ordered designations
Representative orderable type designations of this family — searchable via the catalog search.
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