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Compact Pad-Mounted Transformers for Underground Distribution
Yuantong builds single-phase and three-phase pad-mounted transformers, including ZGS11-H and YB-12 combined units, that install on a concrete pad at ground level. The transformer, switching and protection are housed in one tamper-resistant enclosure, making them a compact choice for residential areas, commercial sites, solar farms and underground cable networks. Every unit is routine-tested before it ships.
BASIC PARAMETERS
Technical Parameters at a Glance
| Item | Range |
|---|---|
| Phase | Single phase or three phase |
| Rated capacity | 100 – 1,600 kVA (three phase); single phase per datasheet |
| Rated voltage (HV) | 10 kV class, others on request |
| Low voltage | 0.4 kV or as specified |
| Insulation | Oil-immersed, fully sealed |
| Enclosure | Tamper-resistant steel cabinet for pad mounting |
| Standards | IEC or GB, or the standard in your specification |
Need a rating outside these ranges? We design to your specification.
PRODUCT RANGE
Pad-Mounted Transformer Models
Choose a series to see full specifications, or send us your rating for a direct quotation.
SELECTION GUIDE
Which Pad-Mounted Model Fits Your Project?
| Model | Phase | Capacity | Type | Best for |
|---|---|---|---|---|
| ZGS11-H | Three phase | 100–1,600 kVA | Combined transformer | Residential and commercial distribution |
| YB-12 | Three phase | 100–1,000 kVA | Pad-mounted substation | Compact substation sites |
| Three-phase pad-mounted | Three phase | Per datasheet | Pad-mounted transformer | Underground cable networks |
| Single-phase pad-mounted | Single phase | Per datasheet | Pad-mounted transformer | Single-phase residential feeders |
CONSTRUCTION & CHARACTERISTICS
How Our Pad-Mounted Transformers Are Built
APPLICATIONS
Where Our Pad-Mounted Transformers Are Used
Commercial & Data Centres
Commercial sites and residential areas
Grid & Substations
Underground distribution networks
Wind & Solar
Collector units on solar and wind farms
Mining & Industrial
Industrial parks and workshops
QUALITY & TESTING
Tested Before It Leaves the Factory
PROJECT REFERENCES
Pad-Mounted Transformer Projects
FAQ
Pad-Mounted Transformer FAQ
A pad-mounted transformer combines the transformer and its protection in one compact tank-and-cabinet unit. A box-type substation is a larger enclosure with separate HV switchgear, transformer and LV distribution compartments. Tell us your site and load, and we recommend the right type.
Yes. We supply single-phase and three-phase pad-mounted transformers. Send us the rating and voltage for a quotation.
Yes. The cabinet colour, dimensions and cable entry can be designed to your specification.
The minimum order is one unit. Standard ratings typically ship 15–30 days after the order and deposit are confirmed; custom designs depend on the specification.
We design to IEC or GB standards, or to the standard named in your specification. A routine test report is supplied with every unit.
GET A QUOTE
Quotation Within 24 Hours
Send us your specification and our engineers will reply with a technical offer, loss values and lead time.
Include these details for a fast quote:
- Single or three phase
- Rated capacity (kVA)
- HV / LV voltage
- Feed arrangement and cable entry
- Standard (IEC, GB or other)
- Quantity and destination port