24-0-24V Toroidal Transformer, 120VA/150VA

SKU: PH-TT-120

$112.99

● 120VA/150VA output for audio equipment, control systems, and power applications. ● Standard 120V AC primary and 2x24V AC secondary, with custom voltages available. ● Copper wire winding improves electrical stability and efficiency. ● Toroidal core design helps reduce hum, interference, and leakage loss.

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

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Overview
Specs
Application
FAQ
Reviews

Overview

Toroidal transformer features a single phase toroidal design for compact installation, stable output, and efficient AC voltage conversion. It supports 120V AC primary voltage and optional 110V, 220V, 230V, or 240V AC input, with flexible secondary voltage options including 12V, 24V, 48V, 2x12V, 2x15V, and 2x24V AC. With 50Hz/60Hz frequency, 90%-96% efficiency, low no-load loss, and natural air cooling. It supports relay control systems, PLC auxiliary power, signal processing circuits.

Feature

High Efficiency: The core and winding are carefully designed to work together for efficient power transfer.
Long Service Life: High-grade materials and precise manufacturing support durable performance for up to 30 years.
Less Noise: Seamless core construction and balanced winding placement help ensure quiet operation.
Less Radiation: The toroidal structure helps reduce electromagnetic interference and stray radiation.
Low Heat Rise: Even at 120% overload, the temperature rise stays under 70℃ for stable operation.

Details

PET Film Insulation: Uses PET film insulation for dependable dielectric protection and stable electrical performance.
Protective Construction: Designed with a protective structure for safer operation and improved reliability.
Copper Magnet Wire: Wound with insulated copper magnet wire for efficient conductivity and stable output.
High-Flux Core: Uses a high magnetic flux core for low noise, low interference, and efficient power transfer.

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	120VA(120W)/150VA(150W)
Primary Voltage	110V 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 Voltage	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.
Secondary Current	10A(120VA), 2.5A each winding(150VA)
No. of Inputs	1 input
No. of Outputs	1 output (4-wire 2 outputs are available)
Frequency	50Hz/60Hz
Winding Material	Copper Wire
Coil Structure	Toroidal
Efficiency	90%-96%
No-load Loss	<2.5W
Input Wire	UL1672-18#Red
Output Wire	UL1015-16#Blue, Black, Orange, Green
Voltage Strength	DC2500V
Insulation Impedance	≥500MΩ
Cooling Method	Natural air cooling
Temperature	+40℃
Certification	CE, RoHS, ISO
Warranty	12 months
External Diameter	105mm(120VA), 115mm(150VA)
Height	47mm(120VA), 56mm(150VA)
Pedestal	100100mm(120VA), 120120mm(150VA)
Mounting Hole Distance	9090mm(120VA), 110110mm(150VA)
Weight	2.3kg(120VA), 2.5kg(150VA)
Package Included	1Toroidal transformer + 1Accesorries sets (Nut, Shim, Metal disk, Rubber gasket, Pedestal, Screw)

Application

Audio Amplifiers

Power Supply Units

Control Circuits

LED Lighting Systems

FAQ

Q1: Is a 120VA toroidal transformer suitable for compact enclosed equipment?

Yes. A 120VA toroidal transformer is often chosen for compact electrical equipment because its toroidal structure allows efficient use of space. It is suitable for enclosed assemblies such as instrument housings, control boxes, compact power modules, and electronic equipment with limited mounting space.

Q2: Can a 120VA toroidal transformer be used for low-voltage AC output applications?

Yes. A 120VA toroidal transformer is commonly used for low-voltage AC output designs such as 12V, 24V, or dual secondary voltage configurations. It is suitable for control circuits, small lighting systems, signal devices, and custom AC power conversion projects that require stable low-voltage output.

Q3: How do I know whether I need a single secondary or dual secondary 120VA toroidal transformer?

If your circuit only needs one fixed AC output, a single secondary 120VA toroidal transformer is usually enough. If your design needs more flexible wiring, symmetrical voltage rails, or multiple output arrangements, a dual secondary toroidal transformer 120VA may be the better choice.

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