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Pad-Mounted Transformers

American-Style Oil-Immersed Pad-Mount Transformer - 13.8 kV to 480 V

This three-phase, American-style pad-mounted transformer steps 13.8 kV down to 480 V and is offered in 225 kVA, 750 kVA, and 1500 kVA ratings. Its…

Technical specifications

Technical specifications of American-Style Oil-Immersed Pad-Mount Transformer - 13.8 kV to 480 V
ParameterValue
ConfigurationOil-Immersed Pad-Mounted Transformer
Input Voltage13.8 kV
Output Voltage480 V
Capacity Options225 kVA / 750 kVA / 1500 kVA
Number of PhasesThree Phase
Frequency50 / 60 Hz
Coil MaterialCopper / Aluminium
Vector GroupDyn11 / Yyn0
StandardIEC / GB
CertificationISO9001
Warranty Period2 Years
PackagingWooden Case

Why buyers choose it

  • 13.8 kV-to-480 V conversion across three ratings: 225 kVA / 750 kVA / 1500 kVA
  • Dead-front, American-style pad-mount construction
  • Oil-immersed cooling for dependable heat management and long service life
  • Tamper-resistant steel cabinet with embossed panels and side ventilation
  • Copper or aluminium windings; IEC/GB compliant, ISO9001-certified

Standards & certification

Designed and tested to IEC / GB. Millenium production is certified to ISO 9001, ISO 14001 and ISO 45001; the product family carries CE (ECM), UDEM attestation and an EAC declaration of conformity. Every unit passes routine factory tests before dispatch.

Product details

This three-phase, American-style pad-mounted transformer steps 13.8 kV down to 480 V and is offered in 225 kVA, 750 kVA, and 1500 kVA ratings. Its dead-front, tamper-resistant steel housing brings the transformer core and connection compartments together into one weatherproof, pad-mountable package suited for compact outdoor distribution.

Design & Construction

  • Dead-front construction for both operator safety and tamper resistance
  • Oil-immersed transformer compartment with perforated side panels supporting airflow
  • Embossed steel cabinet with a flat roof and solid base structure
  • Compact footprint tailored for outdoor pad-mounted placement

Applications

A fit for industrial and commercial power distribution, campus and utility networks, residential developments, and general pad-mounted outdoor supply needs.

Customisation Options

Cabinet color, rated capacity, voltage ratio, winding material (copper or aluminium), and bushing configuration are available on request.

Ordering Information

Units are manufactured to order per confirmed specifications. Please share the required capacity, voltage ratio, and site conditions when submitting an enquiry.

Images shown are illustrative marketing renders; the actual delivered unit is manufactured to order according to confirmed specifications.

Product details in pictures

American-Style Oil-Immersed Pad-Mount Transformer - 13.8 kV to 480 V — detail 1
American-Style Oil-Immersed Pad-Mount Transformer - 13.8 kV to 480 V — detail 2
American-Style Oil-Immersed Pad-Mount Transformer - 13.8 kV to 480 V — detail 3
American-Style Oil-Immersed Pad-Mount Transformer - 13.8 kV to 480 V — detail 4

Frequently asked questions

What are the main advantages of this pad-mounted transformer?

13.8 kV-to-480 V conversion across three ratings: 225 kVA / 750 kVA / 1500 kVA; Dead-front, American-style pad-mount construction; Oil-immersed cooling for dependable heat management and long service life.

Can this product be customised to my specification?

Cabinet color, rated capacity, voltage ratio, winding material (copper or aluminium), and bushing configuration are available on request.

Which standards and certifications apply?

Designed and tested to IEC / GB. Millenium production is certified to ISO 9001, ISO 14001 and ISO 45001, and the product family carries CE (ECM), UDEM attestation and an EAC declaration of conformity.

Quotation

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Guides and project references for pad-mounted transformers

Contact sheet illustrating four stages of a pad-mounted transformer installation: delivery, crane placement, dead-front connection, finished installation
🇧🇷 Brazil · Reference design

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