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Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection

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Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection

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Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection
Product Specifications
Attribute Value
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
Vector Group Dyn11/Yyn0
Protection Overload
Transformer type S13-MRL Oil-immersed Transformer
Usage Power Electronic
Product Overview
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.
Key Features
  • 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.
  • Top-Grade Materials: Winding uses oxygen-free copper with high insulation and mechanical strength. Short-circuit resistant with low thermal rise.
  • S13 Series Advantages: Built with high-quality low-loss silicon steel and advanced coil winding technology.
Three Phase Oil Immersed Transformer 10kv 315kva 400kva 500kva 630kva Overload Protection
Technical Parameters
Rated capacity (KVA) Vector Group Voltage Combination HV Tapping range LV Dy Yy No-load loss Load loss No-load current Impedance
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
Ordering Process
Step 1: Inquiry & Quotation
We will respond to your inquiry within 1 hour and recommend suitable transformer according to your needs. We provide reasonable quotations and payment terms. Our technical team will confirm all details on the drawing within 7 days after payment.
Step 2: Production & Quality Control
After design confirmation, we prepare materials and begin production. We provide QC report and test report for quality assurance. Special accessory requirements can be accommodated.
Step 3: Installation & Warranty
We provide professional installation guidance and support on-site installation. All products come with more than 2 years warranty service.
Application Scenarios
Power Distribution Networks

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