HV Surge Arrester 3EP3, Porcelain housing, 20 kA, ≤800 kV
3EP3
- Metal-oxide surge arrester for high-voltage systems
- Housing: porcelain · line discharge class 3/4/5
- Tested to IEC 60099-4
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3EP3 covers up to 800 kV of the hv station arresters range (≤ 800 kV across the category, √ scale).
Specifications
Main
| Product family | 3EP3 |
| Product type | Metal-oxide surge arrester |
| Application | High-voltage systems |
Electrical
| Max. system voltage Us | 800 kV |
| Max. rated voltage Ur | 684 kV |
| Min. system voltage | 123 kV |
| Nominal discharge current In | 20 kA |
| Short-circuit rating Isc | 65 kA |
| Line discharge class | 3/4/5 |
Mechanical / environment
| Housing material | porcelain |
| Design | Porcelain hollow-core housing |
Standards & certifications
| Standards | IEC 60099-4 |
Compatible accessories
Earth terminals
Earth terminal, copper tin-plated
Earth terminals
Eyebolt earth terminal
Earth terminals
NEMA earth, stainless steel
Earth terminals
NEMA earth, copper
Earth terminals
Palm earth, aluminum
Terminal adapters
DIN/NEMA adapter terminal
Terminal adapters
Adapter DIN/NEMA to double NEMA
Line connection
Line clamp
Special options
N₂ filling (inert gas)
Special options
Increased Isc to 80 kA
Documents & downloads
Datasheet Technical datasheet 3EP3
Brochure Family brochure
Dimensions Dimension drawing
Downloads served from the DAM (Aprimo) via the CMS in production.
Also covered in the technical library
Catalog High-voltage surge arresters — Product guide
Catalog High-voltage surge arresters — Siemens Energy product guide (online edition)
Brochure Our portfolio of surge arresters & composite insulators — Siemens Energy
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