Description

The Automatic Voltage Regulator (AVR) ST-20,000VA Stavol is a powerful stand-type voltage stabilizer, ideal for single-phase applications requiring high precision and efficiency. Below is a detailed description of its specifications and features:

Specifications:

1. Capacity:
   • 20,000 VA (20KVA), suitable for high-capacity single-phase applications.
2. Phase Type:
   • Single Phase, ensuring compatibility with a wide range of residential, commercial, and light industrial setups.
3. Voltage Input Range:
   • Operates within 140V to 250V, making it ideal for areas with significant voltage fluctuations.
4. Voltage Output:
   • Provides a consistent output of 220V, ensuring safe operation for connected devices.
5. Voltage Stabilization Accuracy:
   • 220V ±3%, guaranteeing highly stable output.
6. Over-Voltage Protection Value:
   • Triggers protection when the voltage exceeds 246V ±4V.
7. Under-Voltage Indication Value:
   • Alerts the user when the voltage drops below 186V ±4V.
8. Load Power Factor:
   • Operates efficiently at 0.8, ensuring optimal power utilization.
9. Adjusting Time:
   • Adjusts voltage within 1.5 seconds when input voltage changes by 10%, ensuring quick stabilization.
10. Time Delay Settings:
    • Long Delay: 5 ±2 minutes for startup safety.
    • Short Delay: 5 ±2 seconds for quicker voltage response.
11. Insulation Resistance:
    • Ensures safety and durability with an insulation resistance of 5 MΩ.
12. Winding Material:
    • Built with 100% pure copper winding, enhancing performance, energy efficiency, and durability.
13. True Output Power:
    • Delivers 100% true output power, providing reliable operation even under full load.

Key Features:

• Over/Under Voltage Protection: Prevents damage to connected equipment by automatically stabilizing output voltage.
• Fast Response Time: Voltage stabilization is achieved quickly, ensuring minimal disruption.
• Durable Build: The pure copper winding ensures long-lasting performance, while the insulation resistance adds an extra layer of protection.
• Time Delay Mechanism: Protects sensitive devices during power restoration or sudden fluctuations.
• Precision Stabilization: Highly accurate voltage regulation (±3%), making it suitable for sensitive equipment.

This stabilizer is perfect for heavy-duty single-phase applications, including high-capacity appliances, office equipment, and industrial machines.

Additional information

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