Specifications
Place of Origin :
Hunan, China
Brand Name :
HENTG Power
Model Number :
S13
Certification :
CE
Price :
CN¥14,857.54-23,910.24/pieces
Type :
distribution transformer, Oil-filled Transformer
Frequency :
50Hz, 60Hz
Winding Material :
Aluminum
application :
Power
Phase :
Three
Coil Structure :
Layered Winding
Coil Number :
Dual-winding coil
Input Voltage :
3kV, 6kV, 10kV, 15kV, 35kV, 69kV, 110kV, 220kV, 400kV, 115kV, 132kV
Output Voltage :
5V, 400V , 208V, 200V, 415V, 127V, 11kV, 12V , 24V, 48V, 110V, 220V, 36V, 380V, 440V, 480V, 9V
Product name :
Three Phase Transformer
Material :
Aluminum Winding
Application :
Power Distribution System
Vector Group :
Dyn11/Yyn0
Protection :
Overload
Transformer type :
S13-MRL Oil-immersed Transformer
Usage :
Power Electronic
MOQ :
2 sets
Description
Factory Price Hot Selling Oil Immersed Three-phase Transformer 10kv 315kva 400kva 500kva 630kva Distribution Transformer

Our oil-immersed distribution transformers range from 30kVA to 2500kVA, with voltage levels up to 35kV. They are widely used in power utilities, renewable energy, industrial facilities, railway systems, and urban infrastructure. Designed to IEC and ANSI standards, our transformers offer high efficiency, low losses, and long service life, suitable for both indoor and outdoor environments.

Cooling Options & Installation Flexibility
Supports ONAN (Oil Natural Air Natural) and ONAF (Oil Natural Air Forced) cooling options.
Adaptable to indoor/outdoor, pad-mounted, or pole-mounted installations.
Increases project flexibility and reduces additional costs due to environmental constraints.

Top-Grade Materials
Winding uses oxygen-free copper with high insulation and mechanical strength.
Short-circuit resistant with low thermal rise.
Stable long-term operation with low maintenance costs.
Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection

The advantages of Type S13 oil-immersed distribution transformer
The S13 series oil-immersed distribution transformer is built with high-quality low-loss silicon steel and advanced coil winding technology. Here are the key advantages :
✅ Flexible installation for various project requirements
✅ Environmentally friendly – supports carbon neutrality goals
✅ International certifications ensure smooth overseas compliance
PRODUCT PARAMENTERS
Rated capacity (KVA)
Vector Group
Voltage Combination


No-load loss
Load loss

No-load current
lmpedance


HV
Tapping range
LV

Dy
Yy


30









Yyn0 / Dyn11








10
6.3
6








±5%

±2X2.5%










0.4
80
630
600
1.5
4.0
50




100
910
870
1.3

63




110
1090
1040
1.2

80




130
1310
1250
1.2

100




150
1580
1500
1.1

125




170
1890
1800
1.1

160




200
2310
2200
1.0

200




240
2730
2600
1.0

250




290
3200
3050
0.9

315




340
3830
3650
0.9

400




410
4520
4300
0.8

500




480
5410
5150
0.8

630




570
6200
6200
0.6
4.5
800




700
7500
7500
0.6

1000




830
10300
10300
0.6

1250




970
12000
12000
0.5

1600




1170
14500
14500
0.5

2000




1360
18300
18300
0.4
5.0
2500




1600
21200
21200
0.4





Step 1:
We will respond to your inquiry within 1 hour and recommend suitable transformer according to your needs. At the same time, we will provide you with reasonable quotations and payment terms.
We have a professional and independent drawing team and technical team, and we will confirm all the contents on the drawing with you within 7 days after payment. The drawing usually contains technical data, weight and parts list. If you have any questions, please click here to consult.
Step 2:
After designing the production drawing, the factory will prepare the stock, produce, and conduct quality inspection before shipment. If you have special accessory requirements, we can provide you with accessories. Our raw materials are strictly screened. In the quality inspection stage, we will provide you with the dual guarantee of QC report and test report to escort your products.
Step 3:
We have a professional team to guide the installation, and also support on-site installation. We will provide you with more than 2 years of warranty service. Welcome to join us and create a win-win situation. Click here to start our business now.

If you have any questions, welcome to click here for discussion !!

Application Scenarios
⚡️Power Distribution Networks
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Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection

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Place of Origin :
Hunan, China
Brand Name :
HENTG Power
Model Number :
S13
Certification :
CE
Price :
CN¥14,857.54-23,910.24/pieces
Type :
distribution transformer, Oil-filled Transformer
Contact Supplier
video
Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection
Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection

Hunan Hentg Power Electric Technology Co., Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 2011
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Total Annual :
50000000-100000000
Employee Number :
200~250
Certification Level :
Verified Supplier
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