A.V.S 3 Phases – Oil Filled Type D-250 | Input 304V–456V, Output 380V
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Input Voltage: 304V – 456V (380V ±20%)
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Output Voltage: 380V (±1% ~ 5%)
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Power Rating: 250kVA
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Dimensions (L × W × H): 950 × 900 × 1440 mm
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Weight: 820kg
Description
TECHNICAL SPECIFICATIONS
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Input Voltage: 304V – 456V (380V ±20%)
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Output Voltage: 380V (±1% ~ 5%)
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Power Rating: 250kVA
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Frequency: 49 – 62Hz
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Operating Temperature: -5°C to +40°C
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Insulation Resistance: >3MΩ at 500VDC
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Dielectric Strength: Tested at 2000VAC for 1 minute [2000VAC/1min]
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Dimensions (L × W × H): 950 × 900 × 1440 mm
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Weight: 820kg
OUTSTANDING FEATURES
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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.
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Stable operation under low-voltage conditions, maintaining 100% capacity even when input voltage is weak — ideal for areas with unstable power supply.
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Brushless design, maintenance-free operation with a service life exceeding 30 years.
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Rugged outdoor installation design with a durable enclosure resistant to rain, wind, and dust, ensuring safe outdoor operation.
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Comprehensive protection system equipped with 3-phase circuit breakers for overcurrent, overvoltage, and short-circuit protection, safeguarding both equipment and users.
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High durability and long lifespan, suitable for engineers, construction professionals, and DIY users who require reliable and stable performance for projects.









