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20KVA Three-phase Static Frequency Converter 400V 50/60Hz to 0-520V

Three Phase Static Frequency Converter Cabinet

The 20KVA Three-Phase Frequency Converter Cabinet efficiently converts 400V 50Hz input to 520V 60Hz output. It features pure sine wave output, adjustable voltage (0-520V), and frequency (40-500Hz). Designed for industrial use, it ensures precision with ±1% voltage stability and ≤0.01% frequency stability. Built-in protections include overload, short-circuit, and over-temperature safeguards. Compact and versatile, it supports Wye and Delta wiring, making it ideal for motors, electronics, and global power compatibility. Reliable and efficient for demanding applications.

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WKS-33020 Static Frequency Converter Cabinet Product Overview

Versatile Voltage & Frequency Settings

Supports output voltage from 0-260V (low) to 260.1-520V (high) and a frequency range of 40-500Hz, adaptable to various industrial needs.

Exceptional Accuracy & Stability

Delivers precise performance with ±1% voltage accuracy, ≤0.01% frequency stability, and minimal harmonic distortion for critical applications.

Advanced Safety Features

Equipped with rapid-response protection against over-voltage, over-current, overheating, and short circuits, ensuring safe and reliable operation.

Intuitive Control Interface

Real-time monitoring with LED displays for voltage, frequency, current, and power, simplifying operation and enhancing user experience.

WKS-33020 Frequency Converter Cabinet Specifications / Additional Information

ParameterValue
TypeWKS-33020
Capacity20KVA
AC Input Voltage
PhaseThree phase
Voltage400V±10%V(3P+N+G)
Input Switch3P 100A switch
Frequency50Hz/60Hz
AC Output Voltage
PhaseThree phase
Output Switch3P 100A switch
Output VoltageL=0-260V, H=260.1-520V
Frequency40-500Hz
CurrentL=44A, H=22A
Frequency Stability0.0.1%
Output Voltage Wave-formsSine CF=1.4 standard
Voltage Accuracy±1%
Frequency Stability≤0.01%
Voltage Stability±1%
Harmonic Distortion±1% (resistive load)
Line Regulation≤1%
Load Regulation≤1%
Response TimeMax. 2ms
Overload Capacity30s (110-150%), 10ms (150-200%)
Meter & Resolution
Frequency Meter0.1Hz, 4 digits LED
Voltmeter0.1V, 4 digits LED
Ammeter0.01A/0.1A, 4 digits LED
Power Meter0.1W/0.1kW, 4 digits LED
Preset FunctionPreset output voltage, output frequency, and output voltage floating ratio
Fast Key FunctionFast key for output voltage switch, frequency switch, output voltage floating selection
Alarm FunctionAudible and visual alarm once protective device activated; display error code on LED
ProtectionFuse switch for input and output; fast-response circuit for over-voltage, over-current, overload, over-temperature, and short circuit; output shuts down in protection mode
CoolingFan cooling
Pressure Insulation1800Vac/5Ma/1min
Insulation ReactanceAbove 500Vdc/20MΩ
Operation Environment
Working Temperature0℃-40℃
Relative Humidity≤90% RH (Non-condensing)
Altitude1500m
Machine SizeL800W550H1140mm
Net Weight (KG)280KG

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Experience Superior 3 Phase Static Converter Solutions Now!

Transform your power management with our superior 3-phase static converter solutions! The WKS-33020 delivers precision, stability, and safety for all your industrial needs. With adjustable voltage, wide frequency range, and advanced protection features, it’s the ultimate choice for reliable performance. Don’t miss out—experience the difference today and take your operations to the next level!

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Frequently Ask Questions

Discover answers to frequently asked questions about our 20KVA Three Phase Frequency Converter Cabinet, designed for 400V 50Hz/520V 60Hz applications.

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