Technical specifications
| Parameter | Value |
|---|---|
| Type | Oil-Immersed Pad-Mounted Transformer |
| Input Voltage | 13.8 kV |
| Output Voltage | 480 V |
| Rated Capacity | 225 kVA / 750 kVA / 1500 kVA |
| Phase | Three Phase |
| Frequency | 50 / 60 Hz |
| Winding Material | Copper / Aluminium |
| Vector Group | Dyn11 / Yyn0 |
| Standard | IEC / GB |
| Certification | ISO9001 |
| Warranty | 2 Years |
| Packaging | Wooden Case |
Specifications are based on the standard configuration. Final ratings, dimensions, materials and packaging are confirmed on the approved drawing and order confirmation.
Features and construction
- Dead-front design for operator safety and tamper resistance
- Oil-immersed transformer section with perforated side panels for cooling
- Embossed sheet-steel enclosure with flat roof and rigid base
- Compact footprint suited to pad-mounted outdoor installation
Typical applications
Industrial and commercial distribution, campuses and utilities, residential developments, and pad-mounted outdoor power supply.
Customisation options
Enclosure colour, capacity, voltage ratio, winding material (copper / aluminium), and bushing configuration available on request.
Ordering information
Built to order per confirmed specifications. Please provide capacity, voltage ratio and site requirements when enquiring.
Product images are illustrative renders for marketing reference; final delivered product is built to order per confirmed specifications.
Standards and quality
Manufactured under an ISO 9001, ISO 14001 and ISO 45001 certified management system. Designs follow the IEC 60076 / IEC 62271 series as applicable, with ANSI/IEEE, GB and GOST variants available. Every unit passes routine testing before dispatch; type tests and customer or third-party witnessed factory acceptance tests can be arranged.
Frequently asked questions
What is the rated capacity of the 13.8 kV / 480 V American-style Oil-Immersed Pad-Mounted Transformer?
The standard configuration is rated 225 kVA / 750 kVA / 1500 kVA at 50 / 60 Hz. Other ratings in the same family can be built to order — tell us the load and we will confirm the nearest standard rating.
What voltage ratio is available?
The standard unit is 13.8 kV input to 480 V output. Voltage ratio, tapping range and vector group can be adjusted to your network; 50 Hz and 60 Hz designs are available.
Which standards and certifications apply?
The product is designed to IEC / GB. MARS operates an ISO 9001 / 14001 / 45001 certified factory and holds CE (ECM), UDEM, EAC and CQC approvals; every unit is routine-tested before dispatch and type or witnessed tests can be arranged.
Can this product be customised?
Enclosure colour, capacity, voltage ratio, winding material (copper / aluminium), and bushing configuration available on request.
What is the lead time and how is it shipped?
Typical lead time is 25–45 days after drawing approval for distribution equipment and 60–90 days for power transformers and containerised systems. Shipment is by sea from Shanghai on EXW, FOB, CIF or DAP terms with a full document pack.
Enquire about this product
Tell us the rating, voltage ratio, frequency, quantity and destination. A MARS engineer replies with a technical proposal and quotation within one working day.
