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    Picture of 30 kVA Variac Transformer, Three Phase
    Picture of 30 kVA Variac Transformer, Three Phase
    Picture of 30 kVA Variac Transformer, Three Phase

    30 kVA Variac Transformer, Three Phase

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    SKU: PH-VT-TH30K
    $3,254.89
    ● Three-phase variac transformer, 30 kVA rated capacity, 40A rated current for heavy-load environments. ● Rated input voltage 380V; output voltage selectable from 0–430V or 0–500V. ● Metal shell construction with flame-retardant properties for enhanced safety and durability. ● Built-in copper wire for reliable conductivity and long-term operational stability. ● Supports voltage regulation, temperature control, speed regulation, dimming, and power control.
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    Overview

    The 30 kVA 3-phase variac transformer is a plant-level industrial adjustable autotransformer designed for high-capacity voltage regulation in demanding 380V three-phase power systems. Constructed with a flame-retardant metal enclosure and built-in high-conductivity copper windings, this industrial variac ensures enhanced operational safety, durability, and long service life. The reinforced housing protects internal components while supporting efficient heat dissipation during continuous heavy-load operation. This model also supports a wide range of industrial power management applications, including voltage regulation, temperature control systems, motor speed adjustment, lighting dimming, and general power control in factories and processing facilities.

    30 kVA three-phase variac transformer feature

    Feature

    • Flame-Retardant Metal Shell: The three-phase variac transformer is enclosed in a robust metal shell with flame-retardant properties, providing a strong first line of defense against heat and fire risks during continuous industrial operation.
    • Built-In Copper Wire: Internally wound with high-quality copper wire, this three-phase variable transformer delivers excellent electrical conductivity and consistent power transmission throughout the full output range.
    • Five-Function Control Capability: Beyond standard voltage regulation, this 40A variac transformer supports temperature control, speed regulation, dimming, and power control.
    • 0ā€“430/500V Selectable: With selectable output voltage ranges of 0ā€“430V or 0ā€“500V from a 380V-rated input, this variac transformer adapts to a wide variety of power supply requirements.
     

    Details

    1. Wheel-Axis Design: Precisely aligned and finely calibrated for smooth, ergonomic operation.
    2. Pointer Meter: Clear scale graduations for accurate, intuitive readings at a glance.
    3. Pure Copper Coil: Superior conductivity, enhanced durability, and extended service life.
    4. Porous Heat Dissipation Housing: Effective multi-vent cooling prevents overheating and protects the transformer during continuous operation.
    30 kVA three-phase variac transformer details
    Specs
    Phase 3-Phase
    Rated Power 30 kVA
    Input Voltage 380V
    Output Voltage 0~430V; 0~500V
    Frequency 50/60 Hz
    Rated Full Offset Current 40A
    Insulation Resistance ā‰„5 MĪ©
    Pressure Resistance 2000 V/1min
    Certificate CE
    Dimension (345Ɨ400Ɨ1100) mm
    Weight 100 kg
    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

    Q1: What safety features are built into this 30 kVA three-phase variac transformer?

    This variac voltage regulator features a flame-retardant metal shell that provides structural durability and protection against fire risks during continuous operation. Its built-in copper wire construction makes it designed to operate safely and reliably in demanding industrial and commercial power supply environments.

    Q2: What functions can this 40A three-phase variac voltage regulator perform?

    In addition to precise voltage regulation, this 30 kVA variac transformer supports temperature control, speed regulation, dimming, and power control ā€” offering five key control functions from a single unit. This versatility makes it ideal for laboratories, manufacturing facilities, and any application requiring flexible, multi-mode power supply management.

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