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    Picture of 1.5 kVA Variac Transformer, Three Phase
    Picture of 1.5 kVA Variac Transformer, Three Phase
    Picture of 1.5 kVA Variac Transformer, Three Phase
    Picture of 1.5 kVA Variac Transformer, Three Phase
    Picture of 1.5 kVA Variac Transformer, Three Phase
    Picture of 1.5 kVA Variac Transformer, Three Phase

    1.5 kVA Variac Transformer, Three Phase

    1 review(s) | Add your review
    SKU: PH-VT-TH1d5K
    $589.39
    ● 3-phase variac transformer, 1.5 kVA capacity, available at wholesale price. ● Rated input voltage 380V; output voltage continuously adjustable from 0 to 430V. ● Max output current 2A; optimized for stable low-current precision control. ● Porous heat dissipation design keeps operating temperature in check during extended use. ● Simple, user-friendly design, easy to install and operate.
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    ⏱️ Delivery: 6-12 days
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    Overview

    The 1.5 kVA 3-phase variac transformer is an economic three-phase voltage regulator. With a rated output current of 2A and adjustable output voltage from 0–430V, this three-phase adjustable AC regulator provides stable and precise voltage control in 380V power systems. Engineered for 50Hz industrial frequency environments, this three-phase variac voltage regulator ensures smooth and continuous voltage adjustment. The porous heat dissipation structure effectively reduces internal temperature rise during operation, improving reliability and extending service life. It is widely used in equipment testing, small machinery control systems, industrial laboratories, and other low-current three-phase power supply applications.

    1.5 kVA three-phase variac transformer feature

    Feature

    • Wide-Range 3 Phase Output, 0–430V Adjustable: Provides a continuously adjustable output voltage from 0 to 430V with a 380V rated input, offering precise and flexible voltage control.
    • Porous Heat Dissipation: Equipped with a purpose-designed porous heat-dissipation structure, it effectively manages heat buildup during continuous operation.
    • Compact 1.5 kVA Design: With a 1.5 kVA power rating and 2A rated output current, suitable for applications that require reliable, low-current precision control without the footprint of larger industrial units.
    • Broad Application Use: This 3-phase variac transformer integrates seamlessly into standard industrial, commercial, and laboratory electrical environments.
     

    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.
    1.5 kVA three-phase variac transformer details

    1.5 kVA Three-phase Variac Transformer Wiring Diagram

    1.5 kVA three-phase variac transformer wiring diagram

    Specs
    Phase 3-Phase
    Rated Capacity 1.5 kVA
    Rated Input Voltage 380V
    Rated Output Voltage 0~430V
    Frequency 50/60Hz
    Max Output Current 2A
    Usage SVC
    Current Type AC
    Type Contact Type Regulators
    Dimension (L×W×H) (210*155*370) mm
    Weight 10 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 makes this 3-phase variac transformer suitable for continuous operation?

    This 1.5 kVA three-phase variac voltage regulator features a porous heat dissipation design that actively manages operating temperature during extended use, preventing overheating and ensuring stable, long-life performance in ongoing industrial and commercial power supply applications.

    Q2: What are the input and output voltage specifications for this 3-phase variable transformer?

    The rated input voltage is 380V, and the output voltage is continuously adjustable from 0 to 430V. With a 2A rated output current, this variac transformer is well-suited for precision voltage control tasks across a range of 50Hz power supply environments.

    1 review(s)
    5.0 1
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    Kian | 7/30/2026 1:15 AM
    Solid 3-Phase Variac for My Shop!
    Picked up this 1.5 kVA 3-phase variac transformer for my shop, and it works like a charm! The voltage adjustment from 0 to 430V is super smooth, giving me precise control for bench testing. Built heavy-duty with great heat dissipation so it stays cool during continuous runs. Definitely worth every penny for any shop setup!
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