OMNI Servo Motor Automatic Voltage Regulator AVR-2000S 3000S 5000S
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Custom Low Voltage Toroidal Transformer for Audio Amplifier 100VA–500VA
Our custom low voltage toroidal transformer for audio amplifiers is specifically designed to supply stable, low-noise, highly efficient power to high-fidelity audio systems.
The power range starts from 100VA to 500VA of this toroidal transformer is widely used in Hi-Fi amplifiers, power amplifiers, pre-amps, DACs, and professional audio equipment.
By comparison with conventional EI transformers, the toroidal core structure significantly reduces electromagnetic interference, mechanical hum, and energy loss to secure clean power supplies and superior sound performance.
The full customization of voltage, current, winding structure, insulation class, and mounting type shall be supported by ZHENGXI / SUNWAY as a professional transformer manufacturer in China.
High-Efficiency 3000W Toroidal Power Transformer 220V 110V 36V 18V 120V 6V 65V 10kva
Designed with a low-frequency toroidal power transformer, it provides high-efficiency voltage conversion with minimal noise and thermal loss. This makes it highly reliable for demanding industrial and commercial applications. These transformers provide wide input voltages ranging from 110V to 220V AC, together with a number of secondary output voltages available between 6V and 120V, making it specifically configurable to support many different system requirements.
QSG Chinese 3 phase Dry Type Auto transformer 440v to 220v
If your facility requires stable and efficient voltage conversion—from 440V to 220V, 380V to 220V, or other customized three-phase voltages—the ZHENGXI QSG Series Three-Phase Dry Type Autotransformer is designed to deliver reliable performance, high efficiency, and long service life. As a trusted Chinese transformer manufacturer, ZHENGXI provides advanced engineering, strict quality control, and competitive 3 phase transformer price options to support global industrial applications.
Customized Quality Variable Audio Amplifier Power Toroidal Transformer
The Customized Quality Variable Audio Amplifier Power Toroidal Transformer from ZHENGXI is designed to deliver exceptional audio fidelity and electrical isolation for professional audio systems. As a trusted toroidal transformer supplier, ZHENGXI specializes in manufacturing custom audio transformers that ensure minimal distortion, ultra-low noise, and perfect impedance matching — ideal for high-end amplifiers, recording equipment, broadcasting systems, and studio-grade sound engineering.
Unlike conventional EI-core transformers, toroidal transformers feature a circular core design that provides superior efficiency, low electromagnetic interference (EMI), and excellent frequency response across the 20Hz to 20kHz audio spectrum.
Single Phase Toroidal Isolation Transformer 220v To 220v With 2 Output Sockets
This 220V to 220V single-phase toroidal isolation transformer is made to supply delicate electronic and audio devices with clean, steady, and noiseless power. It efficiently isolates electrical noise and interference using high-efficiency toroidal core technology, guaranteeing connected devices operate at their best and are safe.
With two outputs and a smart HD LCD display, users can effortlessly keep an eye on operating condition, load, and voltage in real time. This isolation transformer provides clean power, low electromagnetic interference, and long-term reliability whether it is utilized in industrial control systems, medical equipment, audio systems, or labs.
TC 100va-5Kva Portable Small Step Up And Down Voltage Converter 110v To 220v Transformer
The TC Series Portable Step Up and Down Voltage Converter is designed for users who need to operate electrical appliances with different voltage standards. This reliable 110V to 220V transformer efficiently converts power between 110V–120V and 220V–240V, ensuring safe and stable performance for your devices anywhere in the world.
With its dual-core design, the 110 To 220 Transformer works both ways:
- Converts 110V to 220V (step-up)
- Converts 220V to 110V (step-down)
Simply select the correct input voltage for your region using the built-in voltage selector switch — available options: 110V / 220V / 230V / 240V. The corresponding output provides clean and stable AC power for your equipment.
Single-Phase 220V To Three-Phase 380V Phase Converter
The DZW series is a compact, high-performance Single-Phase To Three-Phase transformer alternative — a smart Phase Converter that turns ordinary 220V single-phase mains into reliable three-phase 380V power. Using advanced SVPWM (space-vector PWM) modulation together with rectification, frequency conversion, inversion and voltage boosting, the unit delivers a true three-phase sine wave with harmonic distortion below 2% and excellent transient response.
SG 10kva-1000kva Three Phase Dry Type Isolation Step Down Transformer
The SG series three-phase dry type isolation transformer is a high-performance power solution engineered for AC 50 Hz–60 Hz circuits up to 660 V. Designed for industrial production lines, data centers, precision machine tools, medical equipment, and imported critical devices, it provides electrical isolation, stable voltage conversion, and superior noise suppression.
With a capacity range of 10 kVA to 1000 kVA, this transformer meets and exceeds international standards including IEC 439 and GB 5226, delivering dependable power where safety and efficiency are paramount.