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WJS Series Voltage Regulators

12 Models available

WJS Voltage Regulators

Images are for illustration purposes only

WJS Series - Contactless Thyristor Voltage Stabilizers (Three-Phase)

The WJS series contactless (thyristor/IGBT) voltage stabilizers regulate three-phase voltage without moving parts or carbon brushes, using solid-state semiconductor compensation for ultra-precise, wear-free regulation.

Model Number Breakdown

WVoltage
JPrecision
SThree-phase

Key Features

Contactless solid-state (thyristor/IGBT) regulation with no moving parts

Microprocessor control with response time under one cycle

Output accuracy ±1% with no waveform distortion

Maintenance-free with no brush or servo wear

Three-phase 380V input/output for precision loads

Applications

  • Precision manufacturing
  • Semiconductor fabrication
  • Telecommunications
  • Medical imaging equipment

Specifications Range

All specifications and dimensions can be customized upon request

Model Selector

Key parametersModel Range
Capacity0.5–50 kVA
Input voltage160-250V
Output voltage220V±3%
Efficiency>98%
Response time<40ms
Select 2-3 models to compare
CompareModelSeriesCapacity (kVA)Input voltageOutput voltageEfficiencyResponse timeWeightDimensions
WJS-0.5WJS0.5kVA160-250V220V±3%>98%<40ms10 kg200×130×160 mm
WJS-1WJS1kVA160-250V220V±3%>98%<40ms10 kg250×150×180 mm
WJS-2WJS2kVA160-250V220V±3%>98%<40ms20 kg280×170×200 mm
WJS-3WJS3kVA160-250V220V±3%>98%<40ms25 kg300×180×220 mm
WJS-5WJS5kVA160-250V220V±3%>98%<40ms40 kg350×220×280 mm
WJS-6WJS6kVA160-250V220V±3%>98%<40ms45 kg370×235×305 mm
WJS-8WJS8kVA160-250V220V±3%>98%<40ms60 kg410×270×350 mm
WJS-10WJS10kVA160-250V220V±3%>98%<40ms70 kg450×300×400 mm
WJS-15WJS15kVA160-250V220V±3%>98%<40ms95 kg500×350×450 mm
WJS-20WJS20kVA160-250V220V±3%>98%<40ms120 kg550×400×500 mm
WJS-30WJS30kVA160-250V220V±3%>98%<40ms170 kg600×450×550 mm
WJS-50WJS50kVA160-250V220V±3%>98%<40ms260 kg700×500×600 mm

Product Drawing

Electrical Equipment - WJS-8

APPEARANCE — CABINET
VAVR — AUTOMATIC VOLTAGE REGULATORWJS-8
SCHEMATIC — SERVO AUTOTRANSFORMER
VOLTAGE REGULATOR — SERVO AUTOTRANSFORMERINPUTSERVOOUTPUTWJS-8
REGULATION — INPUT vs OUTPUT
VOLTAGE REGULATION — STABILIZED OUTPUTinput (fluctuating)output (regulated)voltagetimeWJS-8
SYSTEM INTEGRATION — PROTECTED LOAD
VOLTAGE REGULATOR — SYSTEM INTEGRATIONGRID±20%AVRstabilizerPROTECTEDload ±1%WJS-8

Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.

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EXW (FOB Qingdao)
$20
Range $18 ~ $218%)
Price Breakdown
Base price (interpolation)$20
× Product factor×1.0000
× Country factor×1.0000
× Copper-linked factor×1.0000
+ Options / accessories$0
Shipping quoted separately per destination port.

Complete equipment — no winding copper linkage

Reference prices are for estimation only and do not constitute a formal offer.

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