Product Details
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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.

S13 Oil-immersed Distribution Transformer

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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