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    Picture of 10 kVA Variac Transformer, Single Phase
    Picture of 10 kVA Variac Transformer, Single Phase
    Picture of 10 kVA Variac Transformer, Single Phase

    10 kVA Variac Transformer, Single Phase

    1 review(s) | Add your review
    SKU: PH-VT-10K
    $1,485.36
    ● Substantial 10000VA rated capacity with 32A max output current. ● Delivers 32A rated output current across the 0~250V adjustment range. ● Features a porous heat dissipation shell design for superior airflow. ● Integrated an accurate scale meter for direct voltage readout. ● Engineered for heavy industrial infrastructure, large-scale motor control, and whole-facility AC voltage testing.
    🚚 Free shipping
    ⏱️ Delivery: 6-12 days
    🔙 30-day Returns
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    Overview

    Designed with an optimized rotary axle system for smooth adjustment, this 10 kVA industrial variable autotransformer ensures accurate voltage control with minimal mechanical resistance. The integrated precision pointer meter delivers clear and intuitive voltage readings, allowing operators to monitor output levels easily. The reinforced metal enclosure features a multi-vent cooling design, effectively dissipating heat and preventing overheating during continuous operation. Built with 100% copper coils and high-quality carbon brushes, this adjustable AC voltage regulator guarantees long service life, stable performance, and enhanced safety.

    10 kVA single-phase variac transformer feature

    Feature

    • Single-Phase 50Hz Optimization: Specifically configured for 220V-rated input voltage and 50Hz working frequency. Ideal for industrial power supply places, manufacturing facilities, and commercial buildings with 50Hz grid infrastructure.
    • Porous Heat Dissipation Shell Design: Engineered enclosure with strategically placed ventilation openings maximizes passive airflow across internal components. Enhances cooling efficiency during prolonged 10kVA continuous duty.
    • Precision Accurate Scale Meter: Integrated analog meter provides clear, real-time output voltage indication. The accurate scale eliminates guesswork and reduces reliance on external multimeters.
    • Robust Axle Mounting System: Heavy-duty axle design ensures mechanical stability and smooth rotational adjustment of the carbon brush assembly. Maintains precise contact pressure across the entire 0-250V range, even under the thermal and mechanical stresses of high-current operation.
     

    Details

    1. Hand wheel
    2. Instrument panel
    3. Housing
    4. Basing
    5. Handrail
    6. Voltage meter
    7. Groundwire position
    8. Reactor protective housing
    10 kVA single-phase variac transformer details
    Specs
    Phase 1-Phase
    Rated Capacity 10 kVA
    Rated Input Voltage 220V
    Rated Output Voltage 0~250V
    Frequency 50/60Hz
    Max Output Current 32A
    Usage SVC
    Current Type AC
    Type Contact Type Regulators
    Actual Output Current (Actual output voltage * rated current) / maximum output voltage
    Dimension (L×W×H) (370*310*500) mm
    Weight 32.5 kg

     

    Note: Support the split phase (L1, L2+N, G). Please contact us.

    Application
    Variac voltage regulator for machine speed control

    Machine Speed Control

    Variac voltage regulator for mechanical voltage boost

    Mechanical Voltage Boost

    Variac voltage regulator for current control

    Current Control

    Variac voltage regulator for withstand voltage test

    Withstand Voltage Test

    FAQ

    Q. How does the "porous heat dissipation shell" improve performance at 10kVA?

    At 32A continuous current, internal heating is substantial. The porous shell design provides: 

    • Maximized surface area for convective heat transfer.
    • Strategic airflow paths that channel cool air across the windings and core.
    • Hot air exhausts throughthe upper vents, creating natural convection circulation. 

    This passive system maintains safe internal temperatures without fans, ensuring long service life and preventing thermal degradation of insulation.

    1 review(s)
    5.0 1
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    Robert | 6/9/2026 6:25 AM
    This Thing's a Tank – Handles Anything I Throw at It
    Got the 10kVA for my workshop because I got tired of burning out smaller units trying to test big industrial motors. This one doesn't even break a sweat. The knob turns smooth as butter, even under load – no gritty feel or fighting it. What really surprised me is how cool it stays. I've run it for hours straight, pulling serious current, and the case barely gets warm thanks to all those vents. Built with copper coils, too, so I know it'll outlast me. The built-in meter is dead simple – no squinting or guessing, just look and know exactly where you're at. Use it for bringing old machinery up slowly, testing weird voltage stuff, and even running tools that don't like my wonky line power. Yeah, it's heavy, and it's not cheap, but for anyone who needs real variable power day in and day out, this is the one. Buy once, cry once. Zero regrets.
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