5 kVA Variac Transformer, Single Phase

SKU: PH-VT-5K
$758.65
● Substantial 5000VA rated capacity with 16A rated output current. ● Built with all-copper coils throughout. ● Specifically configured for 220V rated input voltage and 50Hz working frequency. ● Ideal for regulating output from standby generators, providing stable, adjustable AC to connected equipment. ● Maximizes electrical conductivity, minimizes energy losses, and ensures cooler operation under sustained 5kVA continuous load.
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⏱️ Delivery: 6-12 days
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Overview

Powerhome's 5 kVA single-phase variac voltage regulator is a high-capacity adjustable AC voltage control solution designed for generator systems and industrial load applications. With a stable 16A-rated output current, this variac transformer delivers reliable voltage regulation for medium to large electrical equipment. Built with 100% copper coils and imported carbon brushes, the internal structure ensures excellent electrical conductivity, reduced energy loss, and extended service life. Its robust construction and high-quality workmanship make it suitable for continuous operation in demanding environments.

5 kVA single-phase variac transformer feature

Feature

  • 16A High-Current Continuous Capacity: Delivers 16A rated output current across the 0-250V adjustment range. Provides substantial headroom for starting large motors, powering multiple devices simultaneously, or driving high-current experimental apparatus.
  • Generator-Ready Voltage Regulation: Purpose-suited for 220V 50/60Hz generator outputs. Enables precise voltage control of generator power before distribution to sensitive equipment or variable-speed machinery. 
  • Industrial-Grade All-Copper Winding: 100% copper coil construction throughout the magnetic circuit, directly contributing to longer service life and better protection for connected devices.
  • Extended-Lifespan Carbon Brush System: Premium carbon brush technology ensures consistent, low-sparking contact with the commutator. Maintains smooth 0-250V adjustment and excellent electrical conductivity over thousands of operating cycles.
 

Details

  1. Axle Design: Enhanced axle precision with optimized calibration, featuring an ergonomic design for effortless operation.
  2. Multi-Ventilation Cooling: Effectively prevents damage caused by excessive temperature during regulator operation.
  3. Analog Pointer Meter: Clearer, more intuitive scale markings for simplified usage.
  4. Premium Carbon Brush: Utilizes high-quality carbon brushes for extended service life.
5 kVA single-phase variac transformer details

5 kVA Single-phase Variac Transformer Wiring Diagram

5 kVA single-phase variac transformer wiring diagram

Specs
Phase 1-Phase
Rated Capacity 5 kVA
Rated Input Voltage 220V
Rated Output Voltage 0~250V
Frequency 50/60Hz
Max Output Current 16A
Usage SVC
Current Type AC
Type Contact Type Regulators
Actual Output Current (Actual output voltage * rated current) / maximum output voltage
Dimension (L×W×H) (330*270*310) mm
Weight 15.6 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

Q1: Can this 5 kVA variac voltage regulator be used with a generator?

Yes. This single-phase variac transformer is specifically suitable for adjusting and stabilizing generator voltage within its rated capacity.

Q2: What makes the 5 kVA model different from lower-capacity units?

The 5 kVA variac provides a higher 16A output current and greater load-handling capability, making it more suitable for industrial and medium-duty applications.

Q3: Is the output voltage continuously adjustable?

Yes. The 0–250V output range allows smooth and stepless voltage regulation for precise AC power control.

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