AF50W-310005 Voltage Frequency Stabilizer 5kVA 240V 60Hz
2.Model: AF50W-310005, single-phase output
3.Input: Wide ±30% voltage tolerance, 30-80Hz
4.Output: 50Hz/60Hz, voltage regulation ±1%
5.Power Quality: Pure sine wave, THD <3%
6.Technology: SPWM + IGBT conversion with galvanic isolation
7.Protection: Over/under voltage, overload, overcurrent, overheat & short circuit
8.Application: Laboratory, production, testing and sensitive electrical equipment
9.Brand: ACSOON, OEM/ODM customization supported
- Product Description
5kVA Voltage & Frequency Stabilizer for Unstable Power Supply
Stable Voltage. Stable Frequency. Cleaner Power for Sensitive Equipment.
The ACSOON AF50W-310005 is a 5kVA voltage and frequency stabilizer designed for equipment that cannot operate reliably from an unstable utility grid or generator supply.
Unlike a conventional voltage stabilizer that mainly corrects voltage fluctuation, the AF50W series uses rectification and inverter conversion to regulate both voltage and frequency, while providing galvanic isolation and clean sine-wave output.
It is suitable for laboratories, production equipment, test systems and other electrical loads where power quality matters.
5kVA | Voltage & Frequency Regulation | 50/60Hz Output | Pure Sine Wave | Galvanic Isolation
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Why Use a Voltage & Frequency Stabilizer?
Unstable utility power or generator output can cause more than a simple voltage problem.
Typical conditions include:
Voltage fluctuation
Frequency variation
Power drops
Flicker
Unstable generator supply
For sensitive electronics, laboratory instruments and production equipment, these conditions may lead to unstable operation, test errors, unexpected shutdowns or equipment protection trips.
The AF50W converts unstable incoming AC power into a regulated AC output, providing a more controlled power source for the connected load.
The AF50W technical documentation specifically describes the series as designed to protect sensitive electronics and heavy-duty electrical equipment from unstable grid or generator conditions such as flicker and power drops.
Key Advantages
Wide Input Tolerance
The AF50W series is designed to handle input voltage fluctuations of approximately ±30%, depending on the selected configuration.
Voltage + Frequency Regulation
Provides ±1% voltage regulation and ±0.1% frequency regulation, with 50Hz or 60Hz output available.
Galvanically Isolated Output
The isolated output transformer separates the load side from the incoming power source and supports professional electrical applications.
Pure Sine-Wave Output
Clean sine-wave output with THD <3% for linear loads.
SPWM + IGBT Technology
Rectifier/inverter conversion with SPWM and IGBT technology provides electronic regulation rather than relying only on traditional mechanical voltage correction.
Real-Time Display
The front panel displays:
Voltage | Current | Frequency | Power / Power Factor
AF50W-310005 Technical Specifications
| Parameter | Specification |
|---|---|
| Model | AF50W-310005 |
| Capacity | 5kVA |
| Product Type | Voltage & Frequency Stabilizer / AC Power Supply |
| Input Voltage | According to selected configuration |
| Input Voltage Range | Approx. ±30% |
| Input Frequency | 30–80Hz |
| Output Frequency | 50Hz / 60Hz |
| Voltage Regulation | ±1% |
| Frequency Regulation | ±0.1% |
| Waveform | Pure Sine Wave |
| THD | <3% at Linear Load |
| Technology | SPWM + IGBT |
| Isolation | Galvanically Isolated Output |
| Overload | 125% for 1 second |
| Temperature | -10°C to +50°C |
| Humidity | 10–95% |
| Noise | <65dB at 1m |
| MTBF | 50,000 Hours |
| MTTR | <30 Minutes |
| Efficiency | ≥85% |
Custom Configuration Available
Not every project uses the same grid voltage or load.
The AF50W series can be configured according to the actual power conditions and equipment requirements.
| Customization | Options |
|---|---|
| Capacity | 1kVA–2000kVA series |
| Input Voltage | Project-specific |
| Output Voltage | Project-specific |
| Frequency | 50Hz / 60Hz |
| Phase | Single / Three Phase |
| Logo | ACSOON / OEM |
| Cabinet Color | Custom option |
| Nameplate | OEM labeling |
| Control | Project-specific options |
The AF50W specification covers single- and three-phase models with capacities extending from small kVA ratings up to large industrial systems.
If you need it,Contact us at Email: acpower@acsoonpower.com
Where Can AF50W Be Used?
Laboratory & R&D
Provides a regulated AC source for instruments, test benches and research equipment requiring more stable power conditions.
Manufacturing & Production
Suitable for production equipment where unstable incoming voltage or frequency may affect normal operation.
Electrical Testing
Provides controlled 50Hz/60Hz AC power for equipment testing and verification.
Sensitive Electronic Equipment
Suitable for loads requiring cleaner and more stable AC power than the available utility or generator supply can provide.
Protection for the Load and Power Supply
Built-in protection functions include:
Over-voltage / Under-voltage
Overcurrent
Overload
Overtemperature
Short circuit
Optional output contactor configuration is also listed in the AF50W specification.
Factory Testing Before Shipment
Each unit is checked according to the confirmed configuration before shipment.
Recommended content to show directly on the page:
✓ Input/output test
✓ Voltage regulation test
✓ Frequency test
✓ Load test
✓ Protection check
✓ Packing inspection
Standards & Technical Documents
AF50W series documentation references:
EN60204-1 | IEC 62321 | EN61000-6-3
Available project documents can include technical specifications, test materials and relevant certification documentation according to order requirements.
Multiple Electrical Protections
Protection functions include:
Overcurrent | Overload | Overtemperature | Short Circuit
Easy Maintenance
The cabinet layout is designed to provide access to internal components for inspection and maintenance.
About ACSOON
ACSOON is a professional manufacturer of industrial power conversion systems, including static frequency converters, aircraft ground power units, AC power supplies, and customized electrical testing systems.
With over 19 years of engineering experience, ACSOON equipment is widely used in aviation, industrial manufacturing, military support systems, and laboratory testing environments.
One-Year Warranty & After-Sales Support
ACSOON provides a one-year warranty, subject to the agreed sales terms.
Technical support can include:
Installation guidance | Operation support | Remote troubleshooting | Technical documentation | Spare-parts coordination
For overseas customers, operating data, photos and videos can be used to assist remote troubleshooting.
Quality Control
Cold chamber test – Every unit runs at -30°C for 2 hours. Heater must hold internal temp above 0°C.
Hot chamber test – 55°C for 4 hours at full load. No over‑temp alarms.
IP56 water test – High‑pressure spray from all directions for 10 minutes. No water inside.
Sand test – Blown sand against the intake for 30 minutes. Filter catches it.
R&D Results
Heater placement – First unit had heater near the top. Heat rose, bottom stayed cold. Moved to the bottom. Much better.
Filter design – Original filter clogged fast in heavy dust. Switched to a cyclonic pre‑filter. Lasts 10x longer.
Door seals – Used automotive‑grade bulb seals. Stays flexible down to -40°C. No cracking.
Customer feedback – An Arctic operator wanted a way to check internal temp without opening the door. Added a display on the outside.
Packaging and Transportation
Shipped from Xi'an – On a heavy skid, bolted down, covered with a breathable waterproof cover.
No crate needed for domestic – The unit itself is the crate. For export, add a wooden crate.
Documentation – Laminated cold weather quick start, full manual on USB.
Extra filter – One spare filter included.
After‑Sales Service
1‑year warranty – Covers electronics, heater, fans. Filters are consumable.
Spare parts (heater element, fans, control board) kept in Xi'an.
Email support – We answer within one business day. Include temperature readings.
Tell Us Your Power Requirement
For faster selection, send:
Input: Voltage / Frequency / Phase
Output: Voltage / Frequency / Phase
Capacity: kVA / kW / Current
Load: Equipment type
Application: Laboratory / Factory / Testing / Other
Destination: Country or Port
Don't know all the parameters?
Send us the equipment nameplate or existing specification.
[ Request a Quote ] [ Send Your Specification ]
Frequently Asked Questions
Q1: Can it work with 50Hz and 60Hz mains power?
Yes. The GPU400 specification supports three-phase 50Hz/60Hz input, with several nominal input-voltage configurations available.
Q3: Can the input voltage be customized for my country?
Different input configurations are available. Send the actual voltage, frequency and phase available at your installation site before ordering.
Q4: Can ACSOON customize the cable and aircraft connector?
Project-specific cable length and connector requirements can be discussed during technical confirmation.
Q5: Can I order an OEM version with my own logo?
Yes. OEM branding, labeling and selected appearance options can be discussed before production.
Q6: What information should I send for a quotation?
Send your aircraft/application, required capacity, input voltage/frequency, cable length, connector requirement, installation environment and destination country.
Q7: What is the warranty?
The standard warranty for this product is one year, subject to the agreed sales terms.
Contact Us
For technical specifications or global solutions : acpower@acsoonpower.com, or submit your requirements using the form at the bottom of our website.
