Pad Mounted Transformers
Tamper-resistant, dead-front pad-mounted transformers designed for underground distribution systems. UL 1562 listed and built to ANSI/IEEE C57.12.34 — engineered specifically for North American and Middle East utility standards.
Engineering Features
UL 1562 Listed
Full North American compliance — accepted by all major utilities.
Technical Data
| Parameter | Range / Value |
|---|---|
| Rated Power | 75 kVA – 10 MVA |
| Primary Voltage | 4.16 – 34.5 kV |
| Secondary Voltage | 120/240 V – 480 V |
| Frequency | 50 / 60 Hz |
| Impedance | 1.5% – 5.75% |
| BIL Primary | 95 – 200 kV |
| BIL Secondary | 30 kV |
| Temperature Rise | 55°C / 65°C |
| Fluid Volume | Per unit rating |
| Weight | From 450 kg to 12,000 kg |
Standard range parameters — custom specifications available on request.
Related glossary terms
IEEE C57.12
ANSI/IEEE distribution transformer standard
ANSI C57.12.00
General requirements liquid-immersed
DOE 2016
US Department of Energy efficiency rule
NEMA TR1
Sound level & loss tolerances
UL Listed
Underwriters Laboratories safety mark
IEEE C57.110
Harmonic-loaded transformer rating
Pad-mounted distribution transformers for North American utility, commercial and industrial service — dead-front, single-phase and three-phase units from 75 kVA to 5 MVA at 12.47 kV, 13.8 kV, 24.94 kV and 34.5 kV. ANSI C57.12.34 / IEEE C57.12.34 designed, UL 1562 listed, DOE 2016 efficient and tested for tamper, animal and vandal resistance. Standard supplier to East-Coast IOUs, NRECA member co-operatives and hyperscale data-centre developers.
East-Coast IOU Pad-Mount Distribution
Hyperscale Data-Centre Pad-Mount · Northern Virginia
NRECA Rural Co-op Distribution · Midwest USA
EV Charging Hubs · Tesla Supercharger, Electrify America
Retail & Big-Box Commercial · Walmart, Costco, Target
Solar Farm 13.8/34.5 kV Collection · Texas & California
Where Pad Mounted Transformers Excel.
US Residential Subdivisions
UL 1562 pad-mounted transformers for North American residential underground distribution networks.
Loop-Feed Utility Distribution
ANSI C57.12.34 loop-feed pad-mounted transformers for US investor-owned utilities and rural co-operatives.
US Commercial & Mixed-Use
Pad-mounted transformers for shopping malls, office parks, hotels and mixed-use developments across the US.
EV Fast-Charging & Fleet Depots
Pad-mounted units for Tesla Supercharger, Electrify America, EVgo and fleet electrification depots in North America.
Frequently Asked Questions
Related engineering tools
Specify, size, and validate this transformer with our free engineering calculators — used by EPCs and consultants worldwide.
Related Knowledge
FAQs, glossary terms and sizing steps mapped to this product.
Ready to Specify Pad Mounted Transformers?
Share your technical requirements and our engineering team will provide a detailed proposal with guaranteed performance parameters.