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    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V
    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V
    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V
    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V
    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V
    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V
    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V
    Picture of 800VA Single Phase Isolation Transformer, 110V to 240V

    800VA Single Phase Isolation Transformer, 110V to 240V

    1 review(s) | Add your review
    SKU: PH-T-DG800VA
    $633.84
    ● 800 VA single-phase isolation transformer for sale, step up 110V to 240V or step down 240V to 110V. ● Wide voltage compatibility: primary and secondary voltages customizable across 110V / 120V / 208V / 220V / 230V / 240V and more. ● Dry-type air self-cooling design; compatible with AC 50Hz / 60Hz circuits. ● Class H insulation, IP20 protection grade; working efficiency ≥95%. ● Zero waveform distortion — complete galvanic isolation between primary and secondary sides. ● Trusted across industrial, commercial, and infrastructure applications.
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    ⏱️ Delivery: 10-16 days
    🔙 30-day Returns
    Overview

    This 800VA single-phase isolation transformer supports both 110V to 240V step-up and 240V to 110V step-down applications. Built with a dry-type air self-cooling structure, it ensures stable operation under 50Hz/60Hz power systems. With complete electrical isolation between primary and secondary windings, this transformer improves safety, reduces interference, and protects sensitive equipment. It also supports custom voltage configurations, making it a flexible solution for various industrial and commercial power distribution needs. Widely used in CNC machinery, construction sites, transportation systems, printing equipment, and industrial applications.

    800 VA single-phase isolation transformer feature

    Feature

    • Voltage Conversion & Customization: The isolation transformer supports 110V ↔ 240V conversion and allows custom input/output voltage configurations, suitable for diverse power systems.
    • Electrical Isolation Protection: Provides full isolation between primary and secondary circuits, enhancing equipment safety and anti-interference capability.
    • Stable & High-Efficiency Performance: Delivers up to 95% working efficiency with no waveform distortion, ensuring clean and reliable power output.
    • Durable Dry-Type Cooling Design: Features an air self-cooling structure, IP20 protection, and H-class insulation for safe and long-term operation.
     

    1. Details

      1. Power indicator
      2. Over-temperature indicator
      3. Output voltage digital display screen
    Single-phase isolation transformer details

    Single-phase Isolation Transformer Schematic Diagram

    0.5kVA to 10kVA single-phase isolation transformer schematic diagram

    Single-phase Isolation Transformer Dimension

    Single-phase isolation transformer dimension

     

    Aluminium Wire Transformer Size Copper Wire Transformer Size
    Without Enclosure: a*b*c=150*160*180 (mm) Without Enclosure: a*b*c=132*140*150 (mm)
    Mouting Size: D*E=120*115 (mm) (aperture: 15*8mm) Mouting Size: D*E=100*110 (mm) (aperture: 12*7mm)
    With Enclosure: A*B*C=250*360*420 (mm) With Enclosure: A*B*C=200*320*420 (mm)
    Specs
    Basics
    Phase Single-phase
    Capacity 800 VA
    Weight 26 kg
    Technical Parameters
    Primary Voltage 110V AC (Optional: 120V/ 208V/ 220V/ 230V/ 240V)
    Secondary Voltage 240V AC (Optional: 110V/ 208V/ 120V/ 220V/ 230V)
    Frequency 50Hz / 60Hz
    Winding Material Aluminium / Copper wire (Optional)
    Work Efficiency ≥95%
    Insulation Resistance ≥50 MΩ
    Electrical Strength 2000V AC / 1 min
    Noise ≤35dB (1 meter)
    Insulation Grade Grade B (130℃) / Grade F (155℃) / Grade H (180℃)
    Induced Overvoltage Withstand Test 125Hz / 800V / min
    Impedance Voltage About 6%
    Total Losses 10%
    Cooling Mode Natural or air cooling
    Overload Capacity Allow more than 1.2 times the rated load to work for up to 1 hour
    Enclosure Protection Grade IP20
    Certificate CE, ISO
    Warranty 12 months
    Working Environment
    Temperature -15℃ ~ +45℃

    Note:

    1. The transformer can only convert voltage, and CANNOT convert frequency.
    2. The transformer CANNOT convert 1-phase voltage to 3-phase voltage.
    3. Support voltage, capacity customization, and various specifications customization.
    Application
    Single-phase isolation transformer for industrial equipment

    Industrial Equipment

    Single-phase isolation transformer for factory and industrial parks

    Factory & Industrial Parks

    Single-phase isolation transformer for machine tools and equipment

    Machine Tools & Equipment

    Single-phase isolation transformer for communication equipment

    Communication Equipment

    FAQ

    Q1. What voltage combinations are available for this 800 VA isolation transformer?

    The default configuration steps up 110V to 240V (or steps down 240V to 110V). Both primary and secondary voltages support a wide range of options, including 110V, 120V, 208V, 220V, 230V, and 240V. Custom voltage pairings are available — please specify your required input/output combination when placing your order.

    Q2. Is this isolation transformer suitable for sensitive or precision equipment?

    Yes. The complete galvanic isolation between primary and secondary sides eliminates electrical noise and common-mode interference, while zero waveform distortion ensures a clean AC output. This makes the 800VA  isolation transformer well-suited for precision equipment, CNC machine tools, and other applications sensitive to power quality.

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    1 review(s)
    5.0 1
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    Elio | 8/27/2026 1:36 AM
    Solid isolation transformer for workshop equipment
    I’m using this transformer to run imported 110V machinery from our 240V site supply, and it’s been working great. The build feels heavy-duty, and the digital display makes it easy to keep an eye on the output. It runs quietly and stays cool during long shifts. The galvanic isolation is also reassuring when working with sensitive equipment. Overall, a solid unit for the workshop.
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