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Industrial Step Up and Step Down Autotransformer with Copper Windings

Product Summary

Industrial three-phase dry type autotransformers designed for customized voltage step-up and step-down applications, providing practical voltage matching solutions for industrial equipment, machinery, and electrical power systems. 01. Key Selling Points Step-Up & Step-Down Conversion: Supports ...

Key Attributes
Brand Name: TNNPI
Model Number: SG/SBK
Place of Origin: Henan, China
Certification: CE,UL,ISO9001,ISO45001
MOQ: 1
Price: $45~$2500
Supply Ability: 5000Pcs/mouthly
Delivery Time: 7
Payment Terms: T/T,Western Union,D/A,D/P,L/C
Standard Packaging: Export standard packaging
Product Custom Attributes
Type:
Auto Transformer
Protectionclass:
IP20 To IP54
Application:
Industrial, Commercial, Renewable Energy
Efficiency:
Up To 98%
Input Voltage:
Up To 1000V
Output Voltage:
Up To 690V
Product Description

Industrial three-phase dry type autotransformers designed for customized voltage step-up and step-down applications, providing practical voltage matching solutions for industrial equipment, machinery, and electrical power systems.

01. Key Selling Points

  • Step-Up & Step-Down Conversion: Supports different input and output voltage combinations according to application requirements.

  • Copper Winding Option: Copper conductors are available for customized electrical and thermal design.

  • Customized Voltage Ratios: Designed for a wide range of low-voltage conversion requirements.

  • Space-Saving Structure: Shared winding construction offers a compact alternative for suitable voltage conversion applications.

  • Equipment Compatibility: Helps match electrical equipment with different rated supply voltages.

02. Electrical Design & Construction

  • Three-phase magnetic core design.

  • Common winding configuration.

  • Customized winding turns and voltage ratio.

  • Copper or aluminum conductor selection.

  • Insulation and temperature-rise design.

  • Terminal arrangement based on installation requirements.

03. Voltage Conversion Applications

  • 380V to 220V industrial equipment power supply.

  • 220V to 380V voltage conversion.

  • Customized three-phase voltage matching.

  • Imported machinery voltage adaptation.

  • Industrial electrical equipment integration.

以上电压组合仅作为应用示例,实际能否采用自耦结构,需要根据输入输出电压,系统接地方式及绝缘要求确认.

04. Customization Options

Item

Customization

Voltage Ratio

Step-Up / Step-Down

Input Voltage

Customized

Output Voltage

Customized

Rated Capacity

Customized

Winding Material

Copper / Aluminum

Connection

Customized

Cooling Method

AN / As Specified

Enclosure

Open / Enclosed

05. Technical Parameters

  • Rated Capacity: Customized

  • Primary Voltage: Customized

  • Secondary Voltage: Customized

  • Phase: Three Phase

  • Frequency: 50Hz / 60Hz

  • Winding Material: Copper / Aluminum

  • Insulation Class: According to Design

  • Cooling Method: According to Design

  • Installation: Indoor / As Specified

06. Inquiry Guide

Please provide your existing power supply voltage, required output voltage, rated load capacity, equipment type, and installation conditions. Our engineering team can evaluate the appropriate voltage conversion configuration.


Overall Rating
5.0
Based on 50 reviews recently
Rating Snapshot
5
100%
4
0
3
0
2
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1
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All Reviews
J
juytoo from Malaysia
Sep 16.2025
Excellent three-phase balance and stable output voltage—highly recommended to colleagues!
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T
TIE XIAOBIN from United States
Sep 10.2025
Easy to install, provides excellent isolation, and effectively protects downstream equipment.
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D
Dan Powell from United States
Aug 5.2025
Humanized design facilitates maintenance and repair.
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