MV Plug-in Arrester 3EH5, Plug-in surge limiter for switchgear cable systems, 3.6–12 kV
- Metal-oxide surge limiter in plug-in design for the cable connection systems of gas-insulated medium-voltage switchgear (e.g. Siemens NXPLUS C)
- Two connection systems: shielded plug-in (pluggable) versions and outer-cone versions (3EH5…-5BA0) installed directly at the switchgear cable connection
- Installs on the cable termination together with standard cable T-plugs: Euromold 300PB-630A-U-BEGRENZ, nkt cables CC 12-630 / CC 17.5-630 / CC 24-630 (with installation kit 26 500 33) and Tyco Electronics Raychem SMOE 63862
- Per the official NXPLUS C installation manual, the 3EH5…-5BA0 is the only surge limiter approved for connection to that switchgear's cable connection
- Manufactured at the Siemens Energy Berlin switchgear factory (SGE BLN)
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3EH5 covers 3.6–12 kV of the mv distribution arresters range (≤ 72.5 kV across the category, √ scale).
Specifications
Main
| Product family | 3EH5 |
| Product type | Plug-in surge limiter (metal-oxide) |
| Application | Cable connection systems of gas-insulated medium-voltage switchgear |
| Status | Active, offered globally |
Electrical
| Rated voltage Ur (outer-cone versions -5BA0) | 3.6 / 4.8 / 7.2 kV |
| Rated voltage Ur (plug-in versions) | 7.2 / 12 kV (decoded from order numbers) |
Connection / mechanical
| Connection systems | Shielded plug-in (pluggable) connection; outer-cone connection (3EH5…-5BA0) |
| Compatible cable T-plugs | Euromold 300PB-630A-U-BEGRENZ; nkt cables CC 12-630 / CC 17.5-630 / CC 24-630 (with installation kit 26 500 33); Tyco Electronics Raychem SMOE 63862 |
| Housing | Polymer / cast resin |
| Mounting | On the switchgear cable connection, per T-plug manufacturer's specifications |
Ordering & availability
| Factory | Berlin, Germany (SGE BLN) |
| Production time (EXW, FY24) | 4 weeks (≤12 pcs) · 6 weeks (≤36 pcs) · 12 weeks (≤100 pcs) · 16 weeks (≤500 pcs) |
Options & variants
-5BA0 outer-cone line and its Ur 3.6/4.8/7.2 kV confirmed verbatim in the official Siemens NXPLUS C installation manual 806-9004.9 (Rev 02); plug-in order numbers confirmed via Siemens Industry Online Support (3EH5120-1BD1 'Pluggable surge arrester') and distributor listings. Rated voltage decoded from the order number (036/048/072/120 → 3.6/4.8/7.2/12 kV), a pattern the manual itself confirms for the -5BA0 line.
| Order No. (MLFB) | Connection | Rated voltage Ur |
|---|---|---|
| 3EH5036-5BA0 | Outer-cone (switchgear cable connection) | 3.6 kV |
| 3EH5048-5BA0 | Outer-cone (switchgear cable connection) | 4.8 kV |
| 3EH5072-5BA0 | Outer-cone (switchgear cable connection) | 7.2 kV |
| 3EH5072-1BD1 | Plug-in (pluggable surge arrester) | 7.2 kV |
| 3EH5120-1BD0 | Plug-in (pluggable surge arrester) | 12 kV |
| 3EH5120-1BD1 | Plug-in (pluggable surge arrester) | 12 kV |
Documents & downloads
Downloads served from the DAM (Aprimo) via the CMS in production.
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