v guard vgmw 500 plus mainline voltage stabilizer

Three-Phase Automatic Intelligent Igbt Contactless Voltage Regulator 100Kva-4000Kva

Designed for heavy-duty industrial applications, ZBW three-phase voltage stabilizers utilize IGBT contactless technology to provide ultra-fast response, rock-solid output, and energy-efficient operation. Whether you need a 100 kVA AVR for medium motor loads or a large 4 000 kVA solution for a process plant, our modular design and customizable options ensure a perfect fit.

Key Benefits & Highlights

  • Precision Voltage Control
    • ±(1–7)% selectable regulation accuracy, plus a high‑precision ±2.5% factory option
    • <10 ms response time and ≤100 ms stabilization schedule
  • True Contactless IGBT/Servo Motor Design
    • Completely static operation with zero additional waveform distortion
    • Ultra‑low noise (45 dB at 70% load) and maintenance‑free air‑cooling
  • High Efficiency & Energy Savings
    • ≥97% efficiency up to 50 kVA, ≥99% above 50 kVA
    • 150% overload capacity for 5 min, 200% for 1 min
  • Robust Protection Suite
    • Multi‑protect functions: over/under‑voltage, over‑current, short circuit, phase loss, wrong phase sequence, over‑temperature, manual bypass, and more
  • Global Compliance & Customization
    • Indoor (IP21) or outdoor (IP54/IP65) enclosures
    • Input range ±15%–±60% (standard ±20%), frequency 47–63 Hz
    • Available in 3P+N+G or 3P+G configurations, with branded Chint (standard), ABB or Schneider input switch

Specification

Input Voltage rangeThree phase 304V-456V , for wider range can be customized
Frecuencia50 Hz/60 Hz
Related voltageLine voltage 380V
Voltage regulation accuracy±(1-7)% selectable (± 2.5% high precision)
Response time<10ms
Stable schedule≤ 100ms
Waveform distortionNot generate additional waveform distortion(static)
Effectiveness50KVA and below ≥97%, Above 50KVA ≥99%
Three-phase unbalanceThree-phase point voltage automatic balance
Delayed outputRegulate first, then output(protect the device from shock)
OverpressureOutput phase power is higher than 10%(245)
Under voltageOutput phase power is less than 10%(195)
Input
Tensión de entrada220V/380V,230V/400V,240V/415V etc or other voltage accepted
Fase3P+N+G or 3P+G option
Input range±20%(±15%~±60%) can be customized
Input frequency47Hz-63Hz
Input switchChint Brand switch(ABB,Schneider option)
Output
Output voltage220V/380V,230V/400V,240V/415V etc or other voltage accepted
Fase3P+N+G or 3P+G option
Output accuracy±1%-±5%(factory setting 2%)
Output Frequency50Hz/60Hz (LCD display will be identify automatc 50 or 60Hz)
Power factor0.8 or 0.9,1 option( general AVR 0.8)
Waveform distortionNo distortion(same as input waveform)
Eficacia≥98%(on full load)
Overload capacity150% for 5 minutes,200% for 1 minute
Response time<10ms
THD<3%(linear load)
General
Compensation transformerInsulation H level,200 degree
Control methodCompensation regulation or Independent regulation for each phase  (option)
Working principleFull automatic ,servo motor/SCR/IGBT
IP levelIP21(indoor), IP54 or IP65(Outdoor)
CoolingAir cooling/ Fan system
Environment
Woking temperature-20° to +50°(if high teperature in your city,please inform us)
Ralative  humidity<90%
Ruido45db@70% load,55db@100%load (within one meter)
Altitude<1500m
LCD display
Display5.0 LCD digital dispaly
LCD display showInput Phase to netural
Input phase to phase
Output phase to neutral
Output phase to phase
Load Current in each phases(press button to switch )
Frequency (50 or 60hz autoamtic indentify show)
Working temperature
Function
Normal functionsMalti-protect fuction,over voltage/under voltage protection,over current protection,over load protection,saty start protection,manual bypass protection,short circuit protection,lack of phase protection,wrong sequence  protection,indicate alarm,over temperature protection.

Applications

  • Industrial Manufacturing: CNC machines, hydraulic presses, welding lines
  • Energy & Utilities: Substations, pump stations, telecom shelters
  • Data Centers & IT: Servers, networking racks, UPS front ends
  • Commercial Buildings: HVAC systems, elevators, lighting controls
  • Medical & Laboratory: MRI, CT scanners, sensitive testing equipment

Why Choose Our 100 kVA AVR?

  • Proven Reliability: Decades of field‑testing in harsh environments
  • Global Certifications: Meets IEC, CE, RoHS, ISO 9001/14001/15001 standards
  • Maximized Uptime: Redundant protection layers and hot‑swappable bypass
  • Cost Savings: Lower energy loss, reduced maintenance, longer equipment life

Optimize your power infrastructure today with our Three-Phase Automatic Voltage Regulator. Contact us for a tailored solution, competitive pricing, and rapid delivery on your 100 kva-4000kva AVR needs.

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