S9-M-30 6kv/10kv/11kv /0.4/0.8 Oil-Immersed 50kVA Transformer Fully Sealed Distribution
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Product Highlights
- Fully Sealed Oil-Immersed Design: Vacuum filtration oil injection process prevents moisture, ensuring maintenance-free operation and prolonged service life.
- Customizable Capacity and Voltage: Accepts customized capacity (e.g., 315kVA) and rated low voltage (e.g., 0.4kV) based on specific project needs.
- Comprehensive Product Range: Specializes in oil-immersed, dry-type, amorphous alloy, pad mounted transformers, and high/low voltage switchgear.
- International Standards Compliance: Meets or exceeds ANSI, IEC, GB, and SANS standards with ISO9001 and CCC certifications.
- Compact and Low Noise: Features a compact design with corrugated oil tank for small size, beautiful appearance, and low noise operation.
- OEM and ODM Services: Accepts customer logos, samples, and technical drawings for tailored manufacturing solutions.
- Versatile Application Scenarios: Suitable for power grids, industrial mining, agriculture, civil construction, and oil/chemical industries.
- Experienced Manufacturing Team: Over 10 years of experience with 71 utility model patents and 15 invention patents in transformer technology.
Product Attributes
- Customization
- Available
- Application
- Power, Electronic, Instrument, Lighting, Audio, Ore
- Phase
- Three
- Model NO.
- S9
- Core
- Core-type Transformer
- Cooling Method
- Oil-immersed Type Transformer
- Winding Type
- Two-winding Transformer
- Certification
- ISO9001, CCC
- Usage
- Distribution Transformer
- Frequency Characteristics
- High Frequency
- Shape of Core
- Ring
- Application Field
- Power Grid
- Currency
- RMB or USD
- Delivery Time
- Depend on The Quantity
- Transportation
- by Truck or by Sea
- Loading Port
- It Depends
- Delivery Term
- Fob, CIF, EXW, DAP
- Language
- English, Chinese, Russian
- Capacity
- 315kVA or Customized
- Rated LV
- 0.4kv or Customized
- Transport Package
- Wooden Case or Nude
- Specification
- As required
- Trademark
- HZEC
- Origin
- China
- Production Capacity
- 2500 Sets/ Quarter
- Package Size
- 110.00cm * 65.00cm * 85.00cm
- Package Gross Weight
- 300.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of S9-M-30 6kv/10kv/11kv /0.4/0.8 Oil-Immersed 50kVA Transformer Fully Sealed Distribution
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Product Description
Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable transformer manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations and high and low voltage complete sets of equipment.The equipment put into production and operation of the project advocates energy saving, intelligence, information and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center,with 71 utility model patents and 15 invention patents.With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa and other regions, covering more than 40 countries.
This transformer is widely used in industrial and mining enterprises, agriculture and civil construction clocks, and can also be used in the oil and chemical industry where more oil and chemical substances are obtained.
1. It meets or exceeds ANSI.IEC.GB.SANS standards.
2. Vacuum filtration oil injection process, fully sealed structure; not susceptible to moisture, prolong service life, maintenance-free operation;
3. Compact design, low noise;
4. Corrugated oil tank, small in size and beautiful in appearance.
| Technical Parameters for S11-M-30~2500/10 Series Oil-Immersed Distribution Transformer | |||||||
| Rated Capacity (kVA) |
High Voltage Connection and Tap Change | Vector Group | High Voltage Connection and Tap Change | Impedance(%) | |||
| HV(kV) | Tap Change(%) | LV(kV) | No-load(PO) | Load(Pk)(75ºC) | |||
| 30 | 6 6.3 10 10.5 |
±5 +2×2.5 |
0.4 | Dyn11 Yzn11 Yyn0 |
100 | 630/600 | 4.0 |
| 50 | 130 | 910/870 | |||||
| 63 | 150 | 1090/1040 | |||||
| 80 | 180 | 1310/1250 | |||||
| 100 | 200 | 1580/1500 | |||||
| 125 | 240 | 1890/1800 | |||||
| 160 | 280 | 2310/2200 | |||||
| 200 | 340 | 2730/2600 | |||||
| 250 | 400 | 3200/3050 | |||||
| 315 | 480 | 3830/3650 | |||||
| 400 | 570 | 4520/4300 | |||||
| 500 | 680 | 5410/5150 | |||||
| 630 | Dynl Yyn0 |
810 | 6200 | 4.5 | |||
| 800 | 980 | 7500 | |||||
| 1000 | 1150 | 10300 | |||||
| 1250 | 1360 | 2000 | |||||
| 1600 | 1640 | 14500 | |||||
| 2000 | 1940 | 18300 | 5 | ||||
| 2500 | 2290 | 21200 | |||||
| 3150 | 2865 | 26500 | |||||
| Technical Parameters for S11-M-30~2500/10 Series Oil-Immersed Distribution Transformer | |||||||
| Rated Capacity (kVA) |
High Voltage Connection and Tap Change | Vector Group | High Voltage Connection and Tap Change | Impedance(%) | |||
| HV(kV) | Tap Change(%) | LV(kV) | No-load(PO) | Load(Pk)(75ºC) | |||
| 30 | 6 6.3 10 10.5 |
±5 ±2×2.5 |
0.4 | Dyn11 Yzn11 Yyn0 |
80 | 630/600 | 4.0 |
| 50 | 100 | 910/870 | |||||
| 63 | 110 | 1090/1040 | |||||
| 80 | 130 | 1310/1250 | |||||
| 100 | 150 | 1580/1500 | |||||
| 125 | 170 | 1890/1800 | |||||
| 160 | 200 | 2310/2200 | |||||
| 200 | 240 | 2730/2600 | |||||
| 250 | 290 | 3200/3050 | |||||
| 315 | 340 | 3830/3650 | |||||
| 400 | 410 | 4520/4300 | |||||
| 500 | 480 | 5410/5150 | |||||
| 630 | Dyn11 Yyn0 |
570 | 6200 | 4.5 | |||
| 800 | 700 | 7500 | |||||
| 1000 | 830 | 10300 | |||||
| 1250 | 970 | 12000 | |||||
| 1600 | 1170 | 14500 | |||||
| 2000 | 1550 | 18300 | 5 | ||||
| 2500 | 1830 | 21200 | |||||
| 3150 | 2290 | 26500 | |||||
| Technical Parameters for S11-M-30~2500/10 Series Oil-Immersed Distribution Transformer | ||||||||||||
| Rated Voltage (KV) | Short-Circuit Impedance | Connection Symbol | No-load Losses(W) | Load Losses | No-load Current | Weight(kg) | Outline Dimension | |||||
| Rated Capacity | (%) | (W) | (%) | (L×W×H,mm) | ||||||||
| (kVA) | High voltage (KV) | High voltage tapping range | Low voltage (KV) | Oil Weight | Body Weight | Overall Weight | ||||||
| 50 | 33 | ±5%, | 0.4 | 6.5 | Dyn11 | 0.17 | 1.21/1.15 | 2 | 250 | 340 | 800 | 1090×940×1870 |
| 100 | 35 | ±2×2.5% | /Yyn0 | 0.23 | 2.02/1.92 | 1.8 | 400 | 540 | 1150 | 1130×1140×1980 | ||
| 125 | 0.27 | 2.38/2.26 | 1.7 | 450 | 570 | 1300 | 1250×1270×2010 | |||||
| 160 | 0.29 | 2.83/2.69 | 1.6 | 530 | 620 | 1555 | 1290×1300×2030 | |||||
| 200 | 0.35 | 3.33/3.17 | 1.5 | 550 | 780 | 1650 | 1350×1320×1990 | |||||
| 250 | 0.41 | 3.96/3.77 | 1.4 | 580 | 830 | 1720 | 1750×1150×2020 | |||||
| 315 | 0.49 | 4.76/4.54 | 1.4 | 610 | 920 | 1850 | 1850×1210×2090 | |||||
| 400 | 0.58 | 5.75/5.48 | 1.3 | 645 | 1015 | 2160 | 2060×1200×2260 | |||||
| 500 | 0.69 | 6.92/6.59 | 1.2 | 750 | 1320 | 2620 | 2180×1250×2320 | |||||
| 630 | 0.83 | 7.87 | 1.1 | 760 | 1550 | 2790 | 2200×1260×2430 | |||||
| 800 | 0.98 | 9.41 | 1 | 980 | 1800 | 3800 | 2200×1350×2550 | |||||
| 1000 | 1.15 | 11.55 | 1 | 1150 | 2300 | 4230 | 2450×1380×2580 | |||||
| 1250 | 1.41 | 13.94 | 0.9 | 1230 | 2380 | 4480 | 2480×1600×2500 | |||||
| 1600 | 1.7 | 16.68 | 0.8 | 1540 | 3050 | 5720 | 2650×1810×2850 | |||||
| 800 | 33 | 10.5 | 6.5 | Yd11 | 0.98 | 9.41 | 1 | 980 | 1800 | 3800 | 2220*1350*2550 | |
| 1000 | 35 | 6.3 | 1.15 | 11.55 | 1 | 1150 | 2300 | 4230 | 2450*1380*2580 | |||
| 1250 | 3.15 | 1.41 | 13.94 | 0.9 | 1230 | 2380 | 4480 | 2480*1600*2500 | ||||
| 1600 | 1.7 | 16.68 | 0.8 | 1400 | 2950 | 5540 | 2650*1810*2850 | |||||
| 2000 | 2.18 | 18.39 | 0.7 | 1600 | 3150 | 6200 | 2700*1900*2880 | |||||
| 2500 | 2.56 | 19.67 | 0.6 | 1780 | 3670 | 7100 | 2830*2370*2850 | |||||
| 3150 | 33 | 10.5 | 7 | 3.04 | 23.09 | 0.56 | 1960 | 4930 | 8630 | 2905*2370*2960 | ||
| 4000 | 35 | 6.3 | 3.62 | 27.36 | 0.56 | 2200 | 5100 | 9430 | 2900*2680*3190 | |||
| 5000 | 38.5 | 3.15 | 4.32 | 31.38 | 0.48 | 3100 | 6300 | 11750 | 3000*2540*3200 | |||
| 6300 | 7.5 | 5.25 | 35.06 | 0.48 | 2930 | 6900 | 12200 | 3350*2720*3200 | ||||
| 8000 | 33 | 11 | 7.5 | Ynd11 | 7.2 | 38.48 | 0.42 | 3000 | 8650 | 14600 | 3580*3220*3400 | |
| 10000 | 35 | 10.5 | 8.71 | 45.32 | 0.42 | 3750 | 9150 | 17050 | 3650*3400*3500 | |||
| 12500 | 38.6 | 6.6 | 8 | 10.08 | 53.87 | 0.4 | 4200 | 12300 | 20050 | 3850*3300*3750 | ||
| 16000 | 6.3 | 12.16 | 65.84 | 0.4 | 4800 | 14000 | 23900 | 3950*3000*3920 | ||||
| 20000 | 14.4 | 79.52 | 0.4 | 5850 | 17850 | 30250 | 4150*3800*4200 | |||||
Note: Transformers operating under special conditions are available on request.
1. Altitude: Below 1000m;
2. Device type: Outdoor type or indoor type;
3. Ambient temperature: Minus 25ºC to 40ºC
4. Air relative humidity: ≤90% (+25ºC)
5. Installation site: No corrosive gas, no obvious dirt and other areas;
6. For industrial and agricultural power distribution and lighting use.

1.Q: Are you a manufacturer?
A: Yes, we are a professional manufacturer, specializing in Oil immersed transformer, Dry type transformer, Amorphous alloy transformer, Pad mounted transformer, Compact transformer substation, Furnace transformers, Rectifier transformers, Switchgears, Circuit breaker, etc. for over 10 years.
2.Q: What is the MOQ?
A: We accept OEM/ODM projects. The MOQ=1 unit. It would be great if you can provide technical drawing and technical specification document. If not, you can contact us for further communication.
3.Q: Would you accept using customer's logo?
A: Yes, we can provide OEM and ODM service.
4.Q:Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings.
5.Q: How long is the delivery time?
A: Generally it is 10-15 days, it depends on the order quantity.
6.Q: What is the standard of package?
A: Export standard package or special package according to customer's requirement.
7.Q: Your advantages?
A: Comprehensive Product Range: We specialize in the production of oil-immersed transformers, dry-type transformers, substations, and high and low voltage switchgear. We meet diverse customer needs by providing a one-stop solution for electrical equipment.
High-Quality Manufacturing: Our factory is equipped with advanced production facilities and implements strict quality control measures. We ensure that every product meets international standards, delivering reliable performance and long-lasting durability.
Experienced Team: We have a team of experienced engineers and technicians who have accumulated extensive knowledge and practical experience in transformer and electrical equipment manufacturing. This ensures that our products are designed and manufactured to the highest standards.
Customization: We offer customized services based on specific requirements, designing and manufacturing products to meet unique specifications or project needs. We work closely with our clients to provide tailored solutions.
Strong After-Sales Support: Customer satisfaction is our top priority. We provide comprehensive after-sales services, including technical support, maintenance services, and timely responses to customer inquiries and issues.
Competitive Prices: By optimizing production processes and effectively managing costs, we offer competitive prices while ensuring product quality, creating greater value for our customers.
Sustainability Commitment: We are committed to sustainable practices in our manufacturing process. Our products are designed to be energy-efficient, reducing environmental impact and promoting sustainability.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI2491004". Items marked "" are certified.
Company Profile
Henan Energy Electric Equipment Co., Ltd (founded in September 2011) is a leading high-tech enterprise specializing in the research, design, manufacturing, and integrated services of power transmission and distribution equipment. With over a decade of industry expertise, we provide comprehensive energy solutions tailored to global markets, serving utilities, industries, renewable energy projects, and infrastructure development.
Core Products & Solutions
Power Transformers: Up to 500kV capacity, designed for grid stability and energy efficiency.
Distribution Transformers: Oil-immersed & dry-type (SCB/SGB), compliant with IEC, IEEE, and GB standards.
Specialty Transformers: For solar/wind farms, mining, and harsh environments.
Gas-Insulated (GIS) & Air-Insulated (AIS) Switchgear: 10kV-40.5kV, with intelligent monitoring options.
MV/LV Switchboards: Modular designs for commercial and industrial applications. Prefabricated Substations (Compact Substations)
Euro-style & American-style kiosks, integrating transformers, switchgear, and automation systems.
Customized Solutions
Smart Grid Components: IoT-enabled devices for remote monitoring and energy management.
Retrofitting & Upgrades: Modernization of aging power infrastructure.
Competitive Advantages
Technology Leadership:
R&D Center: 50+ engineers focusing on energy-saving and low-noise technologies.
Certifications: ISO9001, ISO14001, IEC, and national standards (GB/T).
Advanced Manufacturing: CNC machines, vacuum casting systems, and automated testing labs.
Quality Assurance:
100% Routine Tests: Including impulse, partial discharge, and temperature rise tests.
Traceability: Full lifecycle documentation from raw materials to delivery.
Exports: 30+ countries in Central Asia, Africa, Southeast Asia, and Latin America.
Customer-Centric Services
7× 24 Technical Support: Multilingual team for emergency response.
After-Sales: Free consultations, maintenance training, and spare parts supply.
Sustainability & Innovation
Green Products: Low-loss transformers and SF6-free switchgear.
Vision & Mission
Vision: To be a globally trusted partner in power infrastructure, driving the transition to carbon-neutral energy systems.
Mission: Deliver reliable, efficient, and intelligent solutions that empower industries and communities.
About Our Factory & Business Background
- Address
- Room 1818, Zhenghong Center, No. 126 Huayuan Road, Jinshui District, Zhengzhou, Henan, China
- Terms of Payment
- LC, T/T, D/P
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, EXW, DDP, DAP, CIP
- Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, within 15 workdays
- Nearest Port
- Ningbo Port
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2024-06-25
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Are you a manufacturer?
- Yes, we are a professional manufacturer, specializing in Oil immersed transformer, Dry type transformer, Amorphous alloy transformer, Pad mounted transformer, Compact transformer substation, Furnace transformers, Rectifier transformers, Switchgears, Circuit breaker, etc. for over 10 years.
- What is the MOQ?
- We accept OEM/ODM projects. The MOQ=1 unit. It would be great if you can provide technical drawing and technical specification document. If not, you can contact us for further communication.
- Would you accept using customer's logo?
- Yes, we can provide OEM and ODM service.
- Can you produce according to the samples?
- Yes, we can produce by your samples or technical drawings.
- How long is the delivery time?
- Generally it is 10-15 days, it depends on the order quantity.
- What is the standard of package?
- Export standard package or special package according to customer's requirement.
- What are your advantages?
- Comprehensive Product Range: We specialize in the production of oil-immersed transformers, dry-type transformers, substations, and high and low voltage switchgear. We meet diverse customer needs by providing a one-stop solution for electrical equipment. High-Quality Manufacturing: Our factory is equipped with advanced production facilities and implements strict quality control measures. We ensure that every product meets international standards, delivering reliable performance and long-lasting d
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