Tel: +86-513-88779999
Email: [email protected]
Tel: +86-513-88779999
Email: [email protected]
Home > Products > Pad Mounted Transformer > Three phase pad mounted transformer
· Advantages
Compact. Rugged. Maintenance-Free.
Engineered for U.S. grid standards with 300–7500 kVA coverage.
Low Loss. High Overload. Lower TCO.
From light distribution to heavy industrial peaks.
· Applications
Industrial Parks & Commercial Complexes
Reliable three-phase power for high-density loads.
Data Centers & Hospitals
Continuous power, low noise, ground-level deployment.
Utility & Municipal Networks
Loop or radial ready – streetside or green space.
· Selling Points
American Box Integrated Design
HV switch + fuses + transformer in one unit.
40% faster field installation.
All-Weather, Tamper-Resistant
Fully insulated outdoor operation.
Reduces shock risk and asset loss.
ANSI / IEEE Compliant
Smooth North American project approval.
Lower compliance cost & lead time.
Single-Phase Pad Mounted Transformer – Reliable Underground Power for Residential, Rural & Light Commercial Networks.
European Box Substation – IEC Compliant, Compact, and Ready for Renewable, Urban, and Industrial Grid Connections.
Outdoor Prefabricated Substation – Factory-Built, Plug & Play, and Ready for Remote, Temporary, or Permanent Grid Connections.
High & Low Voltage Switchgear – Type-Tested, Arc-Resistant, and Built for Industrial, Commercial, and Utility Power Control.
| Minimum Order Quantity: | 1 Set |
| Packaging Details: | Wood case |
| Delivery Time: | 25days/Negociatiated |
| Payment Terms: | T/T, L/C, Western Union, Paypal |
| Certificate: | UL, IEC, CE, CCC, ISO |
Fully sealed, fully insulated structure, reliable protection of personal safety; Small size, compact structure (its size is only 1/3 of the European type transformer with the same capacity), flexible and convenient installation.
It can be used in the ring network and also be used in the terminal with the convenient conversion to improve the reliability of power supply. The cable connector can operate with 200A load current.
In the emergency load switch with the characteristics of disconnecting switch. Low loss, low noise, strong resistance to short circuit and overload. Double fuse full range protection, high - voltage protection.
The latest generation of products with phase - proof function; load switch optional electric structure to meet the automation requirements of distribution network. The box adopts three prevention treatment and be suitable for all kinds of harsh environment.
75kva
1250kva
2250kva
4500kva• Max. Voltage: Up to 35 kV
• Tap changer type : Off load and Load tap changers
• Available Fluids: Mineral Oil and FR3(Vegetable Oil)
• Standard: IEEE, DOE, NEMA, IEC, CSA and costumer's requirement etc.
High eciency design Special Ambient Design Low Sound Level Design 50 Hz and 60 Hz Design K-factor Rating.
THREE-PHASE PAD MOUNTED TRANSFORMER Standares Characteristics
| Base KVA Rating | 45,75,112.5,150,225,300,500,750,1000,1250,1500,1750,2000,2250,2500,2750,3000,3750,5000 |
| Frequency | 60 Hz or 50 Hz |
| Standares | IEEE,NEMA, CSA, IEC etc. |
| Cooling Class | ONAN or KNAN |
| Temp Rise | 55℃,65℃,55/65℃ |
| Winding Material | Copper/Aluminum |
| Core Material | Silicon Steel |
| Oil Type | 1.Type II Mineral Oil2.FR3 Oil |
| Voltages | Available in or Y configuration |
Operating Voltages for 300kVA through 1500kVA Rating
| High Voltages (HV) |
• 4160Grd Y/2400V through 34500Grd Y/19920V • 2400V through 34500V Delta • Various Dual high voltages |
| High Voltage Taps |
• All voltages are available with 5 or 7 step taps • Dual voltage taps provided only on thehigher voltage |
| Low Voltages(LV) |
• 208Y/120V,480Y/277V,480V,240V,and 240V with 120V mid-tap in one phase • 4160Y/2400V,4160V,2400V |
| PrimaryInsulation Classes | 35kV,200kV BIL and below |
Operating Voltages for 2000kVA through 7500kVA Rating
| High Voltages (HV) |
• 12470Grd Y/7200V through 34500Grd Y/19920V • 4160V through 34500V Delta`Various dual high voltages |
| High Voltage Taps |
• All voltages are available with 5 or 7 step taps • Dual voltage taps provided only on the higher voltage |
| Low Voltages(LV) |
• 480Y/277V,480V,240V • 4160Y/2400V,4160V,2400V |
| ImpedanceGuidelines |
• 300kVA-500kVA:2.8-5.0% nominal • 750kVA-2500kVA:5.75% nominal • 3000kVA-7500kVA:consult KEYUAN ELECTRIC |
Jiangsu Dingxin Electric, a high-tech power equipment manufacturer, produces high-quality transformers and substations, serving global markets across 30+ countries.
Room 118, Building 8, 2999 Hutai Road, Baoshan District, Shanghai, China
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