A.V.S 3 Phases – Oil Filled Type D-250 | Input 304V–456V, Output 380V

  • Input Voltage: 304V – 456V (380V ±20%)

  • Output Voltage: 380V (±1% ~ 5%)

  • Power Rating: 250kVA

  • Dimensions (L × W × H): 950 × 900 × 1440 mm

  • Weight: 820kg

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Description

TECHNICAL SPECIFICATIONS

  • Input Voltage: 304V – 456V (380V ±20%)

  • Output Voltage: 380V (±1% ~ 5%)

  • Power Rating: 250kVA

  • Frequency: 49 – 62Hz

  • Operating Temperature: -5°C to +40°C

  • Insulation Resistance: >3MΩ at 500VDC

  • Dielectric Strength: Tested at 2000VAC for 1 minute [2000VAC/1min]

  • Dimensions (L × W × H): 950 × 900 × 1440 mm

  • Weight: 820kg

OUTSTANDING FEATURES

  • Strong load capacity, capable of starting high-power equipment such as 3-phase motors, welding machines, and electric furnaces without voltage drop or sudden power interruption.

  • Stable operation under low-voltage conditions, maintaining 100% capacity even when input voltage is weak — ideal for areas with unstable power supply.

  • Brushless design, maintenance-free operation with a service life exceeding 30 years.

  • Rugged outdoor installation design with a durable enclosure resistant to rain, wind, and dust, ensuring safe outdoor operation.

  • Comprehensive protection system equipped with 3-phase circuit breakers for overcurrent, overvoltage, and short-circuit protection, safeguarding both equipment and users.

  • High durability and long lifespan, suitable for engineers, construction professionals, and DIY users who require reliable and stable performance for projects.