9 kVA Variac Transformer, Three Phase

SKU: PH-VT-TH9K

$1,123.68

● 3-phase variac transformer, 9 kVA rated capacity. ● Rated input voltage 380V; output voltage selectable from 0–430V or 0–500V to suit different application needs. ● Metal dashboard with adjustable voltage control. ● Built-in purple copper coil for superior conductivity and enhanced operational safety. ● Reliable variable transformer designed for stable, long-term use across diverse power supply environments.

Output Voltage *

Qty:

🚚 Free shipping

⏱️ Delivery: 6-12 days

🔙 30-day Returns

Overview
Specs
Application
FAQ
Reviews

Overview

With a rated capacity of 9 kVA and adjustable output voltage from 0–430V (optional 0–500V), this industrial 380V 3-phase variac transformer provides flexible voltage regulation for diverse applications. Built with a high-conductivity copper coil, it ensures efficient energy transfer, reduced heat generation, and enhanced operational safety. The robust internal design supports stable voltage output across medium-to-heavy three-phase loads. This industrial three-phase voltage regulator is widely used in manufacturing facilities, laboratory systems, generator testing setups, and various 50Hz power supply sites requiring reliable adjustable AC voltage control.

Feature

0–430V or 0–500V Selectable: This 9 kVA 3-phase variac transformer offers selectable output voltage ranges of 0–430V or 0–500V from a 380V-rated input
Built-In Purple Copper Coil: At the core of this three-phase variable transformer is a purple copper coil, chosen for its excellent electrical conductivity and lower resistance compared to standard materials.
Metal Dashboard: Featuring a sturdy metal dashboard, this variac voltage regulator allows operators to adjust output voltage with precision and ease.
9 kVA Three-Phase Design: With a 9 kVA power rating across three phases, this variac transformer is engineered to handle substantial industrial loads while maintaining stable, consistent output.

Details

Wheel-Axis Design: Precisely aligned and finely calibrated for smooth, ergonomic operation.
Pointer Meter: Clear scale graduations for accurate, intuitive readings at a glance.
Pure Copper Coil: Superior conductivity, enhanced durability, and extended service life.
Porous Heat Dissipation Housing: Effective multi-vent cooling prevents overheating and protects the transformer during continuous operation.

9 kVA Three-phase Variac Transformer Wiring Diagram

9 kVA three-phase variac transformer wiring diagram

Specs

Phase	3-Phase
Rated Power	9 kVA
Input Voltage	380V
Output Voltage	0~430V; 0~500V
Frequency	50/60 Hz
Rated Full Offset Current	12A
Insulation Resistance	≥5 MΩ
Pressure Resistance	2000 V/1min
Certificate	CE
Dimension	(270×210×460) mm
Weight	31 kg

Application

Machine Speed Control

Mechanical Voltage Boost

Current Control

Withstand Voltage Test

FAQ

Q1: What output voltage options are available on this 9 kVA three-phase variac transformer?

This three-phase variable transformer offers two selectable output voltage ranges — 0–430V or 0–500V — both from a 380V rated input. This flexibility allows the unit to be configured for a variety of industrial power supply requirements from a single, cost-effective variac transformer.

Q2: Why does this variac transformer use a purple copper coil instead of standard copper?

The purple copper coil used in this 9 kVA three-phase variac voltage regulator offers superior electrical conductivity and reduced resistance, which improves power transmission efficiency, minimizes heat buildup during operation, and enhances overall safety — making it a more reliable choice for continuous industrial use.

0 review(s)

Write your own review Close

Review title: *

Review text: *

Rating:

1 2 3 4 5

9 kVA Variac Transformer, Three Phase

1.5 kVA Variac Transformer, Three Phase

3 kVA Variac Transformer, Three Phase

6 kVA Variac Transformer, Three Phase

15 kVA Variac Transformer, Three Phase

20 kVA Variac Transformer, Three Phase

30 kVA Variac Transformer, Three Phase