220V to 110V Toroidal Transformer, 4000VA/5000VA

SKU: PH-TT-4000

$1,359.99

● Precision toroidal winding ensures 90%–96% efficiency with low no-load loss below 5.96W. ● Seamless rolled core and even winding deliver low noise and reduced electromagnetic radiation. ● Made with high-quality copper wire and advanced manufacturing for up to 30 years of service life. ● 120V input, 2x40V output, 50/60Hz, with multiple custom voltage options available.

Power *
Primary Voltage (AC) *
Secondary Voltage (AC) *

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Overview
Specs
Application
FAQ
Reviews

Overview

Engineered for reliable voltage transformation, this toroidal transformer operates at 50Hz/60Hz and combines a low-loss toroidal core with insulated copper windings for efficient and quiet performance. It offers 90%–96% efficiency, no-load loss below 1.08W, dielectric strength up to DC2500V, and insulation resistance of ≥500MΩ, making it suitable for audio equipment, industrial controls, medical devices, and custom power systems.

Feature

Efficient Power Conversion: The winding fits the core precisely to improve efficiency and reduce energy loss.
Built for Long-Term Use: High-quality materials and advanced workmanship support a long service life of up to 30 years.
Low Operating Noise: A seamless core and balanced winding design help ensure quieter performance.
Reduced Radiation: The toroidal core design helps lower electromagnetic radiation during operation.
Stable Thermal Performance: Even with 120% overload, the temperature rise remains below 70℃.

Details

Durable PET Film Insulation: PET polyester film delivers consistent insulation strength for safe and stable performance.
Safety-Focused Design: A protective structure helps enhance reliability and operational safety.
High-Quality Copper Winding: Insulated copper magnet wire supports efficient power transfer and long service life.
Efficient Magnetic Core: A smooth, tight-gap core design helps achieve low noise, low loss, and high efficiency.

Toroidal Transformer Accessories

Toroidal transformer accessories

Toroidal Transformer Internal Structure

Toroidal transformer internal structure

Wiring Instructions

Without Baseplate Installation

A Pedestal Installation

Specs

Phase	Single phase
Power	4000VA (4000W), 5000VA (5000W)
Primary Voltage	110V AC (Optional: 110V, 120V, 220V, 230V, 240V)
Secondary Voltage	220V (Optional: 12V, 24V, 48V, 110V, 220V, 2x6V, 2x12V, 2x15V, 2x24V, 2x30V, 2x35V, 2x40V, 2x50V, can be customized)
Secondary Current	18.18A each winding(4000VA), 208.33A each winding(5000VA)
No. of Inputs	1 input
No. of Outputs	1 output (4-wire 2 outputs are available)
No. of Outputs	Note: For the transformer with 2 outputs 4-wire, each output provides the same voltage and current level, the sum of 2 output power capacities is equal to the total capacity.
Frequency	50Hz/60Hz
Winding Material	Copper Wire
Coil Structure	Toroidal
Efficiency	90%-96%
No-load Loss	<7.04W(4000VA), <7.15W(5000VA)
Voltage Strength	DC2500V
Insulation Impedance	≥500MΩ
Cooling Method	Natural air cooling
Temperature	+40℃
Certification	CE, RoHS, ISO
Warranty	12 months
External Diameter	240mm(4000VA), 250mm(5000VA)
Height	95mm(4000VA), 100mm(5000VA)
Pedestal	240240mm(4000VA), 250250mm(5000VA)
Mounting Hole Distance	240240mm(4000VA), 250250mm(5000VA)
Weight	31kg(4000VA), 36kg(5000VA)
Package Included	1Toroidal transformer + 1Accesorries sets (Nut, Shim, Metal disk, Rubber gasket, Pedestal, Screw)

Application

PLC Support Circuits

DIY Electronic Projects

Electronic Testing Instruments

Monitoring Equipment

FAQ

Q1: Are toroidal transformers safer or cooler-running than EI transformers?

They often run cooler at the same load because of higher efficiency and lower losses, but “safer” depends on insulation, shielding, thermal protection, and certification, not just core shape.

Q2: What core materials are used in toroidal transformers?

Most low-frequency power toroids use grain-oriented silicon steel. At higher frequencies, ferrite or powder-core materials may be used in toroidal form.

Q3: When should I choose a toroidal transformer instead of a laminated transformer?

Choose a toroidal transformer when you want compact size, high efficiency, low stray field, low noise, or a lower profile. Choose a laminated EI type when lower cost, easier mounting, or better tolerance of certain line conditions matters more.

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