Tanaka Electric Tanaka Electric

3 Phase Transformer 11kv Transformer 33kv Step Down Power 100kVA 1000kVA Transformer

Customization: Available
Application: Power, Lighting
Phase: Three

Product Description

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Basic Information

Model NO.
S11
Core
Core-type Transformer
Cooling Method
Oil-immersed Type
Winding Type
Two-winding Transformer
Certification
ISO9001-2000, ISO9001
Usage
Power / Distribution Transformer
Rated Capacity
10kVA-3500kVA (Customization)
High Voltage
6kv - 35kv (Customizable)
Low Voltage
0.4kv (Customizable)
Frequency
50/60Hz
Connection Symbol
Dyn11, Yyn0
HS Code
8504220000
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Product Description

The rated capacity of this oil immersed power transformer is 10kVA-3500kVA(Customization). It can be used outdoors or installed inside substations. Models available include S9, S11, S13, S15, and more.

High-voltage options: 6KV, 6.3KV, 10KV, 10.5KV, 11KV, 20KV, 25KV, 33KV, 35KV. Low voltage options: 400V, 415V, 0.4KV, configured to local requirements.

Oil-immersed transformer appearance 1
Oil-immersed transformer appearance 2

*The picture is a general representation of the product, subject to the actual configuration.

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Product Selection Table

Rated Power (kVA) High Voltage (kv) Low Voltage (kv) Connection Symbol No-load loss (W) On-load loss (W) No load current (%)
306KV / 10KV / 11KV / 20KV / 35KV (Customizable)0.4KV (Customizable)Ydn11 / Yyn0100600/6302.1
50130870/9102.0
1002001500/15801.6
3154803650/38301.1
63081062000.9
10001150103000.7
2500Custom0.4KVCustom238020700-
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Technical Highlights & Quality

Iron Core

Made of brand new and excellent silicon steel sheets. Ensures low wear and tear, low noise during operation, and high energy efficiency.

Iron core
Winding

Winding

Uses heat-resistant enameled wire. Ensures good conductivity, stable operation, enhanced overload capacity, and resistance to oxidation for a longer lifespan.

Transformer Oil Tank

Composed of breathable corrugated walls that compensate for volume changes due to temperature variations. This space-saving design reduces overall height and cost.

Oil Tank
Safety protection

Safety Protection

Equipped with sensitive relief valves and precise thermometer sockets. Options for alarm trip terminals and gas relays are available for maximum safety.

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Manufacturing & Certification

Four Specialized Production Workshops

Workshops

Our workshops achieve high-fit assembly and rigorous testing to ensure efficiency. Independent control of the process allows for high-quality products at competitive prices.

Industry Standard Equipment & Certificates

Equipment Certificates
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Shipping And Packing

Shipping and Packing

Standard export packaging including wooden pallets or cases according to customer requirements.

Frequently Asked Questions

Are you a manufacturer or trading company?
We are a professional factory with 20 years of experience in the electric industry.
How long is the warranty period?
We offer a 12-month warranty on all our transformer products.
Do you accept OEM or ODM service with customer's logo?
Yes, we provide full OEM and ODM services to meet specific branding and technical requirements.
What is the standard delivery time?
Delivery typically takes 15 to 45 days, depending on the order quantity and customization requirements.
How do you conduct quality control?
We have a professional testing room where every product undergoes a factory test. Only 100% qualified products are permitted to leave the facility.
What information is needed for a custom transformer quotation?
Technical drawings and specification documents are best. Alternatively, provide rated capacity, voltage ratios, and connection symbols.

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