Compact transformers
ZGS11 American Pad-Mounted Compact Transformer
Transformer, load switch and fuses in one sealed tank — four bolts to install.
- 30–1,600 kVA
- 10 / 0.4 kV
- IP33
ZGS11 combined transformers integrate the transformer body, HV load-break switch and fuse protection in a single sealed oil tank. Loop-feed or radial versions, less space and cost than a European-style substation, no exposed live parts and theft-proof construction.
ModelsZGS11-HZGS11-Z
- IEC 60076
- GB/T 17467
- ISO 9001
Highlights
- 30 – 1,600 kVA, 10 / 0.4 kV
- Loop (H) or radial (Z) feed
- Backup + bay-o-net fuse protection
- IP33, −35 to +40 °C
Key parameters
| Model | ZGS11-H | ZGS11-Z |
|---|---|---|
| Rated capacity | 30 – 1,600 kVA | |
| HV rated voltage | 10 kV · max. 12 kV | |
| LV rated voltage | 0.4 kV | |
| Structure | Loop feed (H) or radial / terminal (Z) · load-break switch + fuses in one sealed oil tank | |
| Tapping range | ±5% or ±2×2.5% | |
| Cooling method | ONAN | |
| Power-frequency withstand (1 min) | 35 kV | |
| Lightning impulse withstand | 75 kV | |
| Breaking capacity | Backup fuse 50 kA · plug-in (bay-o-net) fuse 2.5 kA | |
| Temperature rise | 65 K (winding) | |
| Sound level | ≤ 55 dB(A) | |
| Ingress protection | IP33 | |
| Service conditions | −35 ~ +40 °C | |
| Installation | Outdoor | |
| Standards | IEC 60076, GB/T 17467 | |
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ZGS11 American Pad-Mounted Compact Transformer
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