Product Overview

Defon Electronics manufactures toroidal voltage converters designed for efficient and stable voltage transformation in industrial, commercial, and OEM applications.

These transformers are engineered using advanced toroidal core technology, offering high efficiency, low magnetic leakage, and ultra-low noise operation compared to conventional EI transformers.

Our voltage converters are widely used for adapting different international voltage standards, supporting equipment used in export markets, industrial systems, laboratory devices, audio equipment, and specialized electronic systems requiring stable voltage conversion.

We provide full OEM/ODM customization including voltage ratios, power ratings, insulation class, shielding, and mechanical structure design.

Key Features

  • High-efficiency toroidal core design
  • Stable voltage conversion performance
  • Low magnetic leakage and ultra-low noise
  • Compact and lightweight structure
  • High energy efficiency with low loss
  • Strong thermal stability under load
  • Custom input/output voltage design available
  • OEM / ODM customization supported
  • Suitable for international export equipment
  • Long service life and high reliability

Applications

Toroidal voltage converters are widely used in:

Industrial Equipment

  • Voltage adaptation systems
  • Automation machinery
  • Industrial power supplies
  • Control systems

Export OEM Products

  • Multi-country electrical equipment
  • International voltage conversion systems
  • Cross-border OEM devices
  • Power modules for global markets

Audio & Electronics

  • Audio amplifiers
  • Hi-fi systems
  • Studio equipment
  • Professional sound systems

Medical & Laboratory Equipment

  • Diagnostic devices
  • Laboratory instruments
  • Precision measurement systems
  • Testing equipment

Commercial Systems

  • Communication equipment
  • Security systems
  • HVAC systems
  • Electrical distribution units

Electrical Performance

  • Efficient voltage conversion with minimal energy loss
  • Low noise toroidal structure for sensitive applications
  • Stable output under variable load conditions
  • High dielectric strength insulation system
  • Reduced electromagnetic interference
  • Reliable continuous operation performance
  • Low heat generation during operation

Customization Options

We support full OEM/ODM customization:

  • Input voltage: 110V / 220V / 230V / 240V / 277V / custom
  • Output voltage: custom voltage conversion ratios
  • Power rating: tailored VA range
  • Frequency: 50Hz / 60Hz
  • Insulation class: B / F / H
  • Shielding: electrostatic shielding optional
  • Mounting type: chassis / enclosed / PCB / custom housing
  • Terminal / connector / lead wire design
  • Safety certification: UL / CE / ETL options
  • OEM branding / private labeling

Why Defon Electronics

Defon Electronics is a professional manufacturer of toroidal voltage converters, providing high-efficiency and reliable voltage conversion solutions for global OEM customers.

  • Strong OEM/ODM engineering capability
  • Expertise in toroidal core technology
  • Stable mass production quality control
  • Competitive factory pricing
  • Fast prototype development support
  • Global export experience

We support both custom engineering projects and large-scale production.