75kVA To 5000kVA Pad Mounted Transformers
Capacity: 75-5000kVA
Application Scenario: Power expansion for urban residential areas, supporting the electricity demand of newly built high-rise apartment buildings.
Advantages:
Fully sealed design, adaptable to desert high temperatures and sandy conditions, ensuring long-term stable operation.
Modular structure supports rapid installation, reducing construction time to less than 3 days.
No-load loss reduced by 30%, significantly improving energy efficiency and reducing operating costs.
Have questions? GNEE sales representatives are available for live chat now
Send E-mail: sales@gneeelectric.com
Tel: +8615824687445
Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 75kva to 5000kva pad mounted transformers in China. If you're going to buy customized 75kva to 5000kva pad mounted transformers made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
Pad Mounted Transformers Product Overview
A pad-mounted transformer is a ground-level, fully enclosed distribution transformer mounted on a concrete pad, widely used for medium- and large-scale power distribution in urban grids, industrial zones, and commercial facilities.
The 75–5000kVA pad-mounted transformer series from GNEE Electric combines a fully sealed, low-loss design with modular construction and smart protection, delivering high load stability, long-term reliability, and safe operation in harsh environments.
With fully sealed insulation (moisture-proof and dust-proof), a modular structure that shortens installation time, and no-load losses reduced by up to 30% compared with conventional designs, this series is engineered for urban power grid expansion, industrial parks, data centers, hospitals, and remote-area electrification. All units comply with IEC/IEEE international energy-efficiency standards and are backed by GNEE's global warranty.
Detailed Photos
Key Features of Pad mounted electrical transformer
- High-efficiency design – No-load loss reduced by up to 30%; complies with IEC/IEEE international energy-efficiency standards.
- Fully sealed insulation system – Moisture-proof and dust-proof, highly adaptable to extreme environments including high temperature, humidity, and dusty or coastal conditions.
- Modular structure – Pre-installed compartments enable quick installation and maintenance, reducing downtime.
- Smart protection – Temperature control and overload protection provide real-time operational status monitoring for safe, stable operation.
- Eco-friendly insulation – Nomex paper + oil-immersion insulation system combines fire resistance with anti-aging performance for a service life exceeding 25 years.
- Optional intelligent integration – SCADA interface for remote monitoring, fault alarms, and load management.
Request a factory-direct quotation and receive full technical documentation within 24 hours.
Products parameter
Products Parameters – Pad-Mounted Transformer
|
Rated Power (kVA) |
High Voltage (kV) |
Low Voltage (V) |
No-Load Loss (W) |
On-Load Loss (W) |
|
75 |
33 / 11 / 10.5 / 6.3 / 6 / or others
|
400 (or customized) |
180 |
1,250 |
|
112.5 |
400 |
200 |
1,500 |
|
|
150 |
400 |
280 |
2,200 |
|
|
225 |
400 |
400 |
3,050 |
|
|
300 |
400 |
480 |
3,650 |
|
|
500 |
400 |
680 |
5,100 |
|
|
750 |
400 |
980 |
7,500 |
|
|
1,000 |
400 |
1,150 |
10,300 |
|
|
1,500 |
400 |
1,640 |
14,500 |
|
|
2,000 |
400 |
2,160 |
20,645 |
|
|
2,500 |
400 |
2,680 |
27,786 |
|
|
3,000 |
400 |
3,300 |
30,300 |
|
|
3,750 |
400 |
4,125 |
37,875 |
|
|
5,000 |
400 |
5,200 |
30,000 |
Note: High‑voltage side options include 7.2 / 7.62 / 7.95 / 12.47 / 13.2 / 13.8 / 14.4 / 19.92 / 24.94 / 34.5 kV, etc. Loss values shall be subject to the design confirmation document
Technical Parameters
|
Rated Capacity (kVA) |
HV (kV) |
Tapping Range (%) |
LV (V) |
Vector Group |
No-Load Loss (kW) |
On-Load Loss (kW, 75 °C) |
Impedance (%) |
Weight (kg) |
Dimensions L×W×H (mm) |
|
75 |
7.2/ 7.62/ 7.95/ 12.47/ 13.2/ 13.8/ 14.4/ 19.92/ 24.94/ 34.5
|
±5 / ±2×2.5
|
120/ 240/ 347/ 480/ 600
|
Dyn11 |
0.18 |
1.25 |
5.5 |
1,420 |
1,550×1,170×1,750 |
|
112.5 |
Dyn11 |
0.20 |
1.50 |
- |
1,700 |
1,550×1,350×1,750 |
|||
|
150 |
Dyn11 |
0.28 |
2.20 |
- |
1,730 |
1,550×1,350×1,750 |
|||
|
225 |
Dyn11 |
0.40 |
3.05 |
- |
1,770 |
1,550×1,350×1,750 |
|||
|
300 |
Dyn11 |
0.48 |
3.65 |
- |
2,350 |
1,650×1,450×1,750 |
|||
|
500 |
Dyn11 |
0.68 |
5.10 |
- |
2,570 |
1,650×1,470×1,750 |
|||
|
750 |
Dyn11 |
0.98 |
7.50 |
- |
3,200 |
1,850×1,550×1,850 |
|||
|
1,000 |
Dyn11 |
1.15 |
10.30 |
6.0 |
3,900 |
1,850×1,550×1,950 |
|||
|
1,500 |
Dyn11 |
1.64 |
14.50 |
- |
4,400 |
1,850×1,550×1,950 |
|||
|
2,000 |
Dyn11 |
2.16 |
20.645 |
- |
4,800 |
2,050×1,750×2,050 |
|||
|
2,500 |
Dyn11 |
2.68 |
27.786 |
- |
5,200 |
2,050×1,950×2,150 |
Manufacturing Technology & Advantages of Pad Mounted Transformers
Pad-mounted transformers are manufactured with high-precision winding technology and premium cold-rolled silicon steel sheets, improving magnetic permeability while reducing copper losses for high efficiency. The insulation system uses eco-friendly Nomex paper + oil immersion, combining fire resistance with anti-aging performance for a service life exceeding 25 years.
Structural advantages:
- Fully sealed enclosure – IP54-rated stainless-steel or SMC composite shell prevents moisture and rust, suitable for coastal and industrial-pollution environments.
- Modular design – Core components are pre-installed in independent compartments, facilitating expansion and fault isolation and reducing O&M complexity.
- Intelligent integration – Optional SCADA interface enables remote monitoring, fault alarms, and load management, reducing manual inspection cost.
- Green manufacturing – Production fully complies with RoHS standards, using low-noise fans and environmentally friendly coolants.
- Cost advantage – Standardized modular production shortens delivery time to 8–12 weeks and reduces lifecycle maintenance cost by up to 20%.
Pad Mounted Transformers Components
- Transformer body – Core, HV/LV windings, and insulation system.
- Cooling system – Natural oil circulation + forced air cooling for stable operation in high-temperature environments.
- Safety protection devices – Fuses, pressure relief valves, temperature sensors, and smart circuit breakers.
- Enclosure and compartments – Layered sealed enclosure with main transformer compartment, LV distribution compartment, and control compartment.
Applications of Pad Mounted Transformers
Installation locations – Ground-level or semi-underground installation on a flat concrete base; commonly used in urban substations, industrial parks, commercial centers, and densely populated areas.
Typical applications:
- Urban power grid expansion and legacy distribution upgrades
- Power distribution for industrial parks, data centers, and large commercial buildings
- Hospitals, transportation hubs, and other high-reliability loads
- Centralized power supply projects in mountainous or remote areas
Get a Factory-Direct Quote for Your Pad-Mounted Transformer Project
Send us your capacity, primary/secondary voltages, vector group, frequency, and destination country. Our engineers will reply within 24 hours with a quotation, datasheet, and delivery schedule.
📧 Email: sales@gneeelectric.com ｜ 💬 WhatsApp: +86 158 2468 7445
Production environment
Packing and Delivery
FAQ
Q1: What are the core competitive advantages of GNEE pad-mounted transformers?
A: Fully sealed, moisture/dust-proof construction; no-load loss reduced by up to 30%; modular installation; IP54-rated stainless-steel or SMC enclosure; 8–12 weeks standard delivery; 2-year global warranty with 5-year core-component warranty.
Q2: How do you ensure delivery time and quality?
A: Standardized modular production controls delivery time to 8–12 weeks. Every unit passes a comprehensive factory acceptance test - including loss, impedance, ratio, insulation, and withstand tests - before shipment, with a full test report delivered.
Q3: What is the delivery cycle for standard products, and will custom products affect delivery time?
A: Standard configurations are typically delivered in 8–12 weeks. Customized voltage combinations, enclosure options, or SCADA integration may extend the cycle by 2–4 weeks; the exact schedule is confirmed with each quotation.
Q4: Do your transformers meet international standards?
A: Yes. Units comply with IEC/IEEE international energy-efficiency standards and are available with UL, CE, and other certifications per the destination market. ISO9001/14001/45001 and SA8000 system certifications are held.
Q5: How do I choose the appropriate transformer type?
A: Consider your kVA rating, primary/secondary voltages, vector group, frequency, installation environment (outdoor/indoor, altitude, climate), and load characteristics. Send us these parameters and our engineers will recommend the optimal configuration and provide a full proposal.
Q6: What support do you provide after installation?
A: 2-year global warranty (5 years on core components), 7×24-hour remote support, fault response within 24 hours, and an operation manual. Pre-sales support includes free technical consulting, drawing review, and installation training.
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