500 KVA Transformer Manufacturer in China
Jinan Omek Electric Power Co., Ltd. (OMEK Power), is a professional manufacturer of producing high quality distribution transformers in China. We have more than 17 years experience in producing the dry type, oil immersed, pole mounted and pad mounted transformers.
We have very mature technology for making transformers with rated capacity ranging from 30 kVA to 2500 kVA. Our 500 KVA transformer is mainly for commercial building, transportation, industry and manufacturing areas, etc.
Why OMEK Power is your reliable supplier?
– A pioneer in the transformer industry: Since 2009, we have taken a leading role in drafting multiple national and industry standards.
– Strong R&D capabilities: We built our own academician and PhD workstations. A provincial-level R&D Center provides consistent support to us.
– International recognized high efficiency: Our products are listed in the National Energy-Saving Recommendation Catalog.
– Comprehensive certifications: We hold ISO, CCC and PCCC certifications. It guarantees our 500 kVA transformer’s stable and reliable performance.
– Proven cost savings: Our advanced energy saving technology can significantly reduce power consumption. Help to deliver long term cost savings.
OMEK Power 500 KVA Transformer Introduction
500 kva distribution transformer specifications
- Specification 1
- Specification 2
- Specification 3
| Rated Capacity | 500 kVA |
| Voltage Rating | High Voltage: 6–38.5 kV Low Voltage: 0.4 kV (400 V) |
| Frequency | 50 / 60 Hz (customizable) |
| No. of Phase | Three Phase |
| Connection Group | Dyn11, Yyn0, Yzn11 |
| Rated Current / Full Load Current | Calculated according to output voltage and load requirements |
| Fuse Rating | 40A or 63A for 500kVA/10kV transformer |
| Load Capacity | Designed for stable performance under full load conditions |
| Winding Material | Copper / Aluminum / Copper-Aluminum / Copper Foil |
| Core Material/Structure | Amorphous 3D Core / CRGO Silicon Steel 3D Core / Amorphous Alloy Iron Core |
| Cooling Method | ONAN/ONAF/AN/AF |
| Efficiency Class | Low Power Loss — no-load losses as low as 190 W (customizable) |
| Noise Level | Sound level (dB) as low as 56 (customizable) |
| Short-circuit Strength | High short-circuit withstand capability |
| Standard Compliance | IEC / ANSI / GB standards (customizable per region) |

Choose the 500 kva/10kV distribution transformer that suits you

| Parameter | Specification |
| Core Type | Amorphous 3D Core |
| No Load Loss | 250 W |
| Load Loss | 4130 W |
| No Load Current | 0.30% |
| Impedance Voltage | 4.00% |
| Dimension | 1245×1400×1380 mm |
| Weight | 1400 kg |
| Parameter | Specification |
| Core Type | CRGO Silicon Steel 3D Core |
| No Load Loss | 670 W |
| Load Loss | 4130 W |
| No Load Current | 0.40% |
| Impedance Voltage | 4.00% |
| Dimension | 1345×1500×1265 mm |
| Weight | 1700 kg |


| Parameter | Specification |
| Core Type | Amorphous alloy iron core |
| No Load Loss | 190 W |
| Load Loss | 4380/4170 W |
| No Load Current | 0.50% |
| Impedance Voltage | 4.00% |
| Dimension | 1770×1200×995 mm |
| Weight | 1755 kg |
| Parameter | Specification |
| Core Type | CRGO Silicon Steel 3D Core |
| No Load Loss | 385 W |
| Load Loss | 3900/3710 W |
| No Load Current | 0.16% |
| Dimension | 1320×1140×1325 mm |
| Weight | 1505 kg |


| Parameter | Specification |
| Core Type | – |
| No Load Loss | 385 W |
| Load Loss | 3900/3710 W |
| No Load Current | 0.16% |
Key Features & Performance Highlights
Flexible customization
Voltage, frequency, connection group, core material, and efficiency level can all be customized.

The 500 kVA transformer has adopted high quality core materials. These core materials can reduce no-load losses largely. Thus, it saves your operational costs.

You can choose from amorphous alloy, CRGO silicon steel, or 3D magnetic cores. They are all for superior magnetic flux performance.

Oil-immersed and dry-type air cooling options.

The 500 kVA transformer adopts small vibration design. This results in quiet operation.
Scope of Our Supply
Advantages and Benefits
Reliable: Rock-solid and uninterrupted power supply
Cost-saving: super low loss design
Worry-free: easy installation and maintenance
Eco-friendly operation

Why choose OMEK Power
Qualifications & Certifications:
OMEK Power holds multiple certifications. These include ISO9001, ISO14001, and ISO45001. We also have PCCC Energy-Saving Product Certification, the national CCC Certification, CQC China Quality Certification, and an AAA Credit Rating.


Patents & Innovation:
OMEK holds 3 invention patents and 51 utility model patents. We also have a provincial-level High-Tech Enterprise R&D Center, an Academician Workstation, and a Doctoral Innovation Workstation
Quality Control & Inspection:
Our team conducts monthly quality audits, as well as quarterly QC group activities. All products undergo over 30 inspection steps. We ensure zero-defect standards.


Advanced Production Line:
Our factory has 50+ advanced automated machines. We operate 10 specialized production workshops for different manufacturing processes. We also have fully testing instruments.
We Don’t Only Provide Power — We Provide Solutions!
We truely understand that every customer faces different challenges. Such as unstable voltage or safety risks. That’s why we go beyond manufacturing transformers. We deliver tailored solutions to solve clients’ problems.
Our 500 kVA Transformer with OLTC works well in dealing with voltage fluctuations. Another type of transformer 500 kVA isolation transformer can deliver clean power for safety-critical applications.
Whatever your challenge is, from efficiency to reliability, just tell us! OMEK will help you achieve the perfect balance between performance and cost.

Save your time and cost!
At OMEK Power, we deliver tailored solutions that save you time and cost.
We truly listen to your requirements. Our professional engineers provide customized designs tailored to your needs. You are always welcome to visit our factory to verify our testing data in person.
Our 500 kva transformer has reliable performance and cost-effective pricing. We ensure every project meets your specific needs. Let us help you optimize your power system!
Contact us today to find the right 500 kVA transformer solution for your business.
Our 500 kVA Isolation Transformer Applications





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FAQs
Have any questions? We’re here to help you out.
OMEK Power provides various output voltages. 400V, 415V, or 480V, etc. The 500 kVA 480V transformer is one of our most frequently requested models.
Yes. A 500 kVA transformer can be operated at a high voltage. It can handle large power loads. No doubt it plays a crucial role in the power distribution network.
So any fault could lead to serious economic losses. It’s essential to isolate the internal faults as quickly as possible to minimize impact.
OMEK 500 kVA distribution transformers are equipped with comprehensive protection as followings. They help minimize the risks to the greatest extent.
Overcurrent and instantaneous protection
Differential protection
Gas (Buchholz) protection
Temperature protection
Zero-sequence / grounding protection
Leading / lagging backup protection
Inverse time protection
The standard 500 kVA 10 kV/0.4 kV commercial configuration usually has a low price. However, the exact price depends on several factors, such as model, type, voltage class, manufacturer, customization, and brand.
Generally, oil-immersed transformers are more expensive than dry-type transformers.














