40-0-40V Toroidal Transformer, 600VA/800VA

SKU: PH-TT-600

$219.99

● 600VA/800VA single-phase toroidal transformer for audio, control, and power supply systems. ● 240V AC primary with 40-0-40V output; multiple input and secondary voltages are selectable or customizable. ● Copper winding, 90%–96% efficiency, low no-load loss, and stable 50/60Hz operation. ● DC 2500V dielectric strength, ≥500MΩ insulation resistance, natural air cooling, and a 12-month warranty.

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Overview
Specs
Application
FAQ
Reviews

Overview

Toroidal transformer is built for efficient, stable, and low-noise power conversion. Its toroidal core design helps reduce energy loss, electromagnetic interference, and operating hum, while high-quality copper windings ensure reliable electrical performance. With customizable voltage options and durable insulation, it is a dependable solution for audio, medical, industrial, and power supply applications.

Feature

High Efficiency: Precision-matched winding and core design improve operating efficiency.
Long Service Life: Made with reliable materials and advanced workmanship for extended service life.
Low Noise: The seamless rolled core and even winding arrangement help reduce hum and vibration.
Low Radiation: Toroidal construction helps minimize electromagnetic radiation and interference.
Low Temperature Rise: The transformer keeps temperature rise below 70℃ even when overloaded to 120%.

Details

PET Insulation Layer: Built with PET polyester film insulation to ensure reliable insulation performance and long-term stability.
Protective Structure: Features a protective design that supports safe installation and consistent operation.
Enameled Copper Winding: Uses insulated copper winding wire for strong mechanical durability and efficient electrical transmission.
Precision Core Design: Toroidal transformer equipped with a smooth high-flux core with tight gaps for quieter operation and reduced electromagnetic interference.

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	600VA (600W), 800VA (800W)
Primary Voltage	240V AC (Optional: 110V, 120V, 220V, 230V, 240V)
Secondary Voltage	12V AC (Optional: 12V, 24V, 48V, 110V, 220V, 2x6V, 2x12V, 2x15V, 2x24V, 2x30V, 2x35V, 2x40V, 2x50V, can be customized)
Secondary Current	12.5A(600VA), 7.27A(800VA)
No. of Inputs	1 input
No. of Outputs	1 output, 4-wire (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	<3.77W(600VA), <5W(800VA)
Input Wire	UL1672-18#Red
Output Wire	UL1015-16#Brown
Voltage Strength	DC2500V
Insulation Impedance	≥500MΩ
Cooling Method	Natural air cooling
Temperature	+40℃
Certification	CE, RoHS, ISO
Warranty	12 months
External Diameter	141mm(600VA), 158mm(800VA)
Height	66mm(600VA), 67mm(800VA)
Pedestal	140140mm(600VA), 160160mm(800VA)
Mounting Hole Distance	130130mm(600VA), 150150mm(800VA)
Weight	5.5kg(600VA), 7kg(800VA)
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: Is a 600VA/800VA toroidal transformer enough for small electronic equipment?

A 150VA toroidal transformer is often suitable for small to medium power devices that require stable AC voltage conversion. It is commonly selected for compact audio units, low-power control circuits, bench equipment, signal systems, and custom power supply projects where the load does not exceed the transformer’s rated capacity.

Q2: Can a 600VA/800VA toroidal transformer be used continuously?

Yes, a properly matched 150VA toroidal transformer can be used for continuous operation under normal working conditions. To ensure long service life, the connected load should remain within the rated power range, and the transformer should be installed in a location with adequate ventilation and safe thermal management.

Q3: What happens if the load is higher than 600VA/800VA?

If the connected equipment draws more than the rated 150VA, the toroidal transformer may overheat, show voltage drop, or suffer reduced lifespan. In some cases, long-term overloading can damage insulation or affect system reliability. It is recommended to leave a safety margin when selecting a transformer for continuous-duty applications.

1 review(s)

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From: Matthew | Date: 6/30/2026 3:58 AM

Dead Quiet – My Amp Never Sounded This Clean

Swapped out an old square transformer in my DIY stereo amp for one of these toroidal ones, and the difference is night and day. The hum I used to hear between tracks is completely gone – just silence. Runs way cooler too, even after hours of listening. The dual 24V outputs gave me some flexibility with wiring, and build quality feels top-notch. If you're building audio gear or anything sensitive to noise, this is the way to go. Totally worth it.

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