The ST3-30,000VA Automatic Voltage Regulator is a heavy-duty tri-phase AVR designed for reliable 380V output, making it ideal for industrial and commercial applications. Built with a pure copper transformer and advanced delay settings, it ensures stable voltage delivery, extended operational life, and enhanced equipment protection.

Specifications:

• Capacity: 30KVA
• Phase: Tri-Phase
• Input Voltage Range: 277–430V AC
• Output Voltage: 380V AC
• Frequency Range: 50–60Hz
• Transformer Material: Pure Copper
• Long Delay: 2–5 minutes
• Short Delay: 2–5 seconds
• Dimensions: 64 × 55 × 107 cm
• Weight: Gross – 126 kg | Net – 111 kg

Key Features:

1. Tri-Phase Voltage Regulation:
   • Designed to stabilize three-phase power for industrial and commercial applications, providing precise and reliable voltage output.
2. Wide Input Voltage Range (277V – 430V):
   • Effectively handles significant fluctuations in input voltage, ensuring a consistent and safe power supply.
3. Pure Copper Winding:
   • 100% pure copper windings improve energy efficiency, durability, and thermal stability, reducing operational costs and heat loss.
4. Delay Time Function:
   • Long Delay (2–5 minutes): Ideal for sensitive equipment requiring stable power during startup.
   • Short Delay (2–5 seconds): Provides faster recovery during minor voltage fluctuations.
5. Accurate Voltage Stabilization:
   • Maintains output voltage with high precision (±1%), protecting critical equipment from damage due to overvoltage or undervoltage.
6. Compact and Durable Design:
   • Sturdy build with compact dimensions, allowing it to fit seamlessly into industrial and commercial setups.
7. High Load Capacity:
   • Supports up to 30KVA, ensuring reliable performance for heavy-duty industrial and commercial equipment.
8. Efficient and Quiet Operation:
   • Operates silently, making it suitable for environments where noise reduction is important.