Multi-Output Toroidal Transformer 20VA-5000VA | High Efficiency Low Noise Isolation Transformer for Audio, Medical & Industrial Automation
Key Features
✅ Ultra-High Efficiency: As a premium high efficiency transformer, our closed-loop toroidal core eliminates air gaps, delivering efficiency up to 97% with minimal heat and energy loss, reducing long-term operational costs.
✅ Low Noise Performance: Symmetrical winding technology drastically reduces hum and vibration, making this low noise power transformer ideal for audio amplifiers and noise-sensitive environments.
✅ Flexible Multi-Output Design: Customizable multi-voltage rails support dual/quad configurations, eliminating the need for multiple transformers in complex systems.
✅ EMI Shielding & Isolation: The aluminum foil wrap provides excellent EMI suppression, while the transformer also functions as a reliable isolation transformer to protect sensitive circuits.
✅ Medical-Grade Safety: Manufactured to meet strict safety standards, this medical grade power transformer is suitable for patient monitors, diagnostic devices, and lab equipment requiring isolated power.
✅ Durable Construction: High-grade silicon steel core and oxygen-free copper windings ensure long-term reliability under continuous full-load operation.
Core Specifications
| Parameter | Details |
|---|---|
| Core Type | High-grade toroidal silicon steel core |
| Power Range | 20VA - 5000VA |
| Operating Frequency | 50Hz / 60Hz |
| Insulation Class | Class B/F (130°C/155°C rated) |
| Mounting | Center bolt installation (compatible with standard toroidal mounting hardware) |
| Customization | Voltage, current, and lead configurations available |
Applications
- Audio Systems: Used as an audio amplifier transformer for high-fidelity amplifiers, preamps, and professional PA systems.
- Medical Equipment: Reliable power source for medical devices requiring clean, isolated power.
- Industrial Automation: Powers PLCs, motor controls, and robotics as a robust industrial automation transformer.
- Lighting & Consumer Electronics: Ideal for quartz lighting, stage equipment, LED drivers, and premium home appliances.
Why Choose Us?
As a professional transformer manufacturer, we offer strict quality control, fast lead times, and competitive pricing for bulk orders. Whether you need a standard toroidal transformer or a fully customized solution, we can meet your requirements. Contact us today for quotes, samples, or OEM/ODM support.













