Ổn áp 3 pha 40KVA | 260V-430V

Fushin 40kVA 3-Phase Voltage Stabilizer (260V–430V Range) – Powerful Industrial Power Solution

The Fushin 40kVA 3-phase Automatic Voltage Regulator (AVR) is a mid-capacity industrial device crucial for maintaining a stable 380V 3-phase power supply for manufacturing plants and machining workshops. When the local grid experiences voltage drops, fluctuations, or overloads, the device automatically compensates the voltage to protect your equipment and maintain maximum operational efficiency.

With a capacity of 40kVA (equivalent to approximately 32kW of actual load depending on the power factor), this is the perfect upgrade when your system exceeds the limits of a 30kVA unit.

1. Key Technical Features of the Fushin 40kVA AVR

• Wide Input Voltage Range (260V–430V): Exceptional "voltage pulling" capability in harsh electrical conditions. Even if the grid voltage drops deeply to 260V, the machine automatically adjusts to supply sufficient power to the load, preventing your production line from halting or experiencing undervoltage faults.
• Standard 380V 3-Phase Output: Provides a highly accurate 380V nominal output, fully compatible with modern industrial machinery. Before wiring, technicians must confirm the phase and neutral (N) wire configurations to ensure the machinery operates at the correct specifications.
• Smart Servo Motor Control: The Servo motor system, combined with specialized carbon brushes, closely tracks grid variations. The voltage regulation process is continuous and smooth, offering an extremely fast response time without interrupting the power supply to your equipment.

2. Practical Industrial Applications

The 40kVA capacity is highly suitable for small to medium-sized manufacturing and commercial models:

• Mechanical & Machining Workshops: Smoothly operates multiple CNC machines, milling machines, lathes, and laser cutters simultaneously.
• Industrial Manufacturing: Packaging lines, woodworking shops, and small plastic injection molding systems.
• Commercial & Service Facilities: Central HVAC systems, building elevators, and fire-fighting water pumps.

⚠️ Technical Note: For heavy loads such as electric motors, air compressors, or water pumps, the initial inrush current can surge to 3 to 5 times the rated current. You must never size the stabilizer based solely on the running load; always calculate the inrush current margin carefully.

3. Sizing Guide for 3-Phase Voltage Stabilizers

To ensure safe system operation, selecting the correct capacity is vital. You need to determine the lowest voltage drop at your facility, calculate the total power of all devices running concurrently, and most importantly, add a 20% - 30% safety margin.

If you are hesitating between a 30kVA model and upgrading to a 40kVA model, prioritize the larger capacity. It allows the machine to run cooler, increases durability, and provides available headroom when your workshop needs to install new machinery.

4. Reference Fushin 3-Phase AVR Models (260V-430V Range)

Below are the adjacent capacities within the same voltage range for easy comparison and selection:

• Fushin 20kVA 3-Phase Voltage Stabilizer – Solution for small-scale workshops.
• Fushin 30kVA 3-Phase Voltage Stabilizer – Suitable for light industrial loads.
• Fushin 40kVA 3-Phase Voltage Stabilizer – (The model you are currently viewing).
• Fushin 50kVA 3-Phase Voltage Stabilizer – Upgrade option for medium-sized manufacturing plants.
• View all 260V–430V Wide-Range 3-Phase Voltage Stabilizers

5. Frequently Asked Questions (FAQs)

How does the 40kVA (260V-430V) stabilizer operate when the power is weak?

When the input voltage drops within the 260V to 430V range, the control circuit automatically detects it and commands the Servo motor to compensate, pushing the output voltage back to the standard 380V. If the voltage drops too deeply below 260V, the machine will still operate, but its maximum load capacity will be derated.

Does the 40kVA stabilizer output exactly 380V?

Yes. The nominal output voltage of the machine is 380V 3-phase. You must correctly connect the phase terminals and the neutral wire (N) according to the instructions on the machine's casing.

Is the 40kVA model sufficient for my mechanical workshop?

This depends on the total power consumption of the machinery in your workshop. To ensure absolute safety, please list the equipment you are using so Fushin engineers can assist in calculating the actual load current.

6. Project Consultation & Quotation

For in-depth technical consultation and to receive the best quotation for the Fushin 40kVA 3-phase voltage stabilizer, please contact us via email at Sales@fushin.vn. Kindly provide information about your actual input voltage, total load, and the types of equipment used so we can support you quickly and accurately!