Fushin 3-Phase Voltage Stabilizer: Latest Pricing and Classification Update
What is a Fushin 3-Phase Voltage Stabilizer?
A Fushin 3-phase voltage stabilizer is an electrostatic-magnetic transformer device from Vietnam, notable for its copper core and independent per-phase control mechanism, which helps maintain a standard 380V output voltage.
To better understand what a Fushin 3-phase voltage stabilizer is, we need to dive deep into analyzing the detailed mechanical structure as well as the core operating principles of this device.
Basic Structure of a Fushin 3-Phase Stabilizer
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Protective Enclosure: Manufactured from industrial powder-coated steel to prevent rust. The front panel integrates a Volt (V) and Ampere (A) meter system allowing users to easily monitor the current and voltage of each individual phase.
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Winding Coil (Bobbin): This is the heart of the machine, utilizing copper wire capable of withstanding high temperatures. Copper wire helps reduce electrical energy loss (Foucault currents) and maintains stability even under continuous heavy loads.
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Carbon Brush System: Crafted from special carbon materials, sliding smoothly across the coil surface, resisting wear, and generating no electrical sparks during voltage regulation.
Operating Principles
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The working principle is based on electromagnetic induction and an automatic control system using a Servo Motor. The superior advantage is that the machine features 3 independent control circuits for the 3 power grid phases.
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When the input voltage changes, the electronic circuit samples and transmits a signal to the servo motor.
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The servo motor immediately shifts the carbon brush on the copper coil to adjust the number of primary turns, keeping the output voltage constantly fixed at 380V (or 220V / 200V 3-phase depending on the output standard).
According to research by the Faculty of Electrical Engineering at Ho Chi Minh City University of Technology in 2022, maintaining a stable voltage using a copper core stabilizer increases the lifespan of industrial motor systems by 30% compared to using fluctuating grid power.
Popular Types of Fushin 3-Phase Voltage Stabilizers Today
There are 3 main types of Fushin 3-phase voltage stabilizers: narrow range, standard range, and wide range, classified primarily by the input grid voltage range criterion of each geographical region.
Specifically for popular Fushin 3-phase stabilizers today, each machine model is designed with a different winding system to meet specific power grid conditions.
3-Phase Narrow Range Stabilizer (304V - 420V)
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Identification Characteristics: The machine operates effectively when the input 3-phase grid voltage fluctuates within the threshold from 304V to 420V.
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Advantages: Compact dimensions, lighter weight, and an extremely fast voltage compensation response speed due to the short sliding path of the carbon brushes.
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Application: This is the optimal choice for businesses located right within industrial zones and major cities—where substations are robust and grid power is relatively stable.
3-Phase Wide Range Stabilizer (260V - 430V / 160V - 430V)
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Identification Characteristics: Exceptional ability to pull voltage from deep sags (from 260V or 160V up to a full 380V).
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Technical Requirements: Demands significantly larger quantities of copper and silicon steel cores, resulting in bulky machine dimensions and heavy weight.
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Application: Indispensable equipment at stone crushing plants, production workshops in rural areas, suburban regions, or at the ends of low-voltage transmission lines where power frequently sags during peak hours.
Comparisons of voltage regulation devices from the Southern Power Electrical Testing Center in 2023 show that the wide-range series maintains 45% better rated load delivery capacity at long low-voltage line locations.
Latest Fushin 3-Phase Voltage Stabilizer Price List
There are 2 main Fushin 3-phase pricing segments: from 8.5 to 28 million VNĐ for small capacities, and from 35 to over 85 million VNĐ for large capacities, classified according to the satisfying KVA capacity criterion.
Below, the detailed updated 3-phase stabilizer price list will help investors build accurate budget estimates. The following table illustrates reference retail prices of Fushin machine series across capacity ranges, allowing enterprises to easily compare budget scales:
| Capacity Segment (KVA) | Input Voltage Range | Reference Price (VNĐ) | Recommended Application |
| 10 KVA - 20 KVA | 260V - 430V | 8,500,000 - 14,500,000 | Small mechanical processing workshops, server rooms |
| 30 KVA - 50 KVA | 260V - 430V | 18,000,000 - 28,000,000 | CNC cutting workshops, medium production lines, supermarkets |
| 75 KVA - 100 KVA | 260V - 430V | 35,000,000 - 45,000,000 | High-capacity water pump stations, apartment elevator systems |
| 150 KVA - 200 KVA | 260V - 430V | 60,000,000 - 85,000,000 | Manufacturing plants, light industrial zones, crushing stations |
Small Capacity 3-Phase Stabilizer Price List (10KVA - 50KVA)
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For small-scale production workshops or individual business households, investment costs for 3-phase stabilizer pricing are quite affordable, ranging only from 8.5 million VNĐ to 28 million VNĐ.
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Price variations within this segment depend on the voltage range (narrow range models cost about 10-15% lower than wide range models).
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This pricing already includes fully integrated automatic safety features such as power cutoff during overvoltage or grid phase loss.
Large Capacity 3-Phase Stabilizer Price List (75KVA - 200KVA and Above)
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Dedicated to heavy industrial plants, pricing in this segment starts from 35 million VNĐ and can reach hundreds of millions of dongs for ultra-large models (500KVA and above).
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Higher prices come with core technical values: native solid copper busbars, high-capacity forced-draft cooling fans, capable of withstanding massive starting currents of industrial motor clusters.
According to reports from the Electrical and Electronics Association in 2024, investing in the right standard 3-phase stabilizer capacity from the outset helps enterprises minimize equipment burnout damages by up to 80% annually.
Should You Buy a Fushin 3-Phase Voltage Stabilizer?
You should buy a Fushin 3-phase voltage stabilizer for 3 main reasons: superior copper load-bearing capacity, absolutely high equipment protection efficiency, and highly reliable long-term warranty policies.
More importantly, regarding the question of whether to buy a Fushin 3-phase voltage stabilizer, evaluating practical benefits regarding load-bearing capacity and long-term economic utility is a decisive factor.
Load-Bearing Capacity and Mechanical Durability
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High-Grade Materials: The biggest difference is that Fushin commits to using a copper wire core, saying no to copper-plated aluminum wire. This delivers robust durability ("anvil and mortar" strength), withstanding continuous heavy loading conditions.
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3-in-1 Protection: Integrates smart protection features: shutdown on overload (Overload), shutdown on sudden voltage surges (Over Voltage), and crucially, shutdown on phase loss—a life-or-death feature protecting 3-phase motors from winding burnout.
Electrical Energy Saving Efficiency
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Smart Economics: Investing in a quality 3-phase stabilizer is a smart economic calculation. Oriented silicon magnetic cores provide quiet machine operation, low heat emission, and extremely low no-load losses (Foucault currents) of under 1-2%.
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Performance Optimization: Stable power enables milling machines and CNC lathes to operate at designed capacities, ensuring precision in processed products and shortening working times, thereby indirectly saving monthly electricity bills.
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Longevity: Stable power delivery extends motor cluster lifespans to over 15 years and slashes maintenance costs by up to 80%, according to data from the Automation and Electromechanics Magazine in 2023.
Safe Installation and Usage Guide for Fushin 3-Phase Stabilizers
Direct connection methods comprise 4 basic steps from site surveying, phase wire connection, grounding to operational testing, ensuring electrical systems achieve 100% protection efficiency.
Below, the safe installation and usage guide for Fushin 3-phase stabilizers will be detailed step-by-step so installation technicians can execute work correctly according to electrical power safety standards.
Steps for Installing a 3-Phase Stabilizer
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Site Survey: Place the machine in a dry location with good heat dissipation, strictly avoiding proximity to chemicals or flood-prone areas. Elevate the machine at least 10cm above the floor surface.
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Cable Preparation: Select copper cable cross-sections compatible with the machine's capacity (For instance, a 50KVA machine should use cables of 3x16mm2 or larger). Crimping lugs (cosse) onto conductors prior to connection is mandatory.
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Connection Operations:
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Connect the 3 live phase wires of the utility grid to the F1, F2, F3 (Input) terminals and the grid neutral wire to the $0V$ terminal.
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Connect the 3 live phase wires of the load to the 380V (Output) terminals and the load neutral wire to the output 0V terminal.
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Safety Grounding: Connecting a wire from the machine enclosure grounding terminal down to a copper rod system driven into the earth is mandatory to dissipate leaked currents and protect operator lives.
Notes on Maintenance and Usage
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Correct Startup Procedure: Prior to energizing the grid power, turn off the circuit breaker (CB) on the machine. Following grid power activation, wait about 5 - 10 seconds for the circuit board system to stabilize before turning on the machine's CB.
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Periodic Maintenance: 1 to 2 times per year, disconnect power, open the enclosure, and use a compressed air nozzle to clean dust off circuit boards and copper coil faces. Inspect carbon brushes; if worn down past 2/3, prompt replacement is required.
The effectiveness of proper periodic maintenance methods helps sustain the stabilizer's stable efficiency constantly at 98%, according to the Industrial Electrical Engineering Handbook of 2023.
