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Enforce standards
GB/T 20840《Transformer》
IEC 61869《Instrument transformers》
Type description
Normal service condition
Power factor: COSΦ = 0.8 (lagging)
Rated secondary voltage: 5A or 1A
Rated frequency: 50Hz or 60Hz
Anti-fouling level: Grade Il
Ambient temperature: The lowest temperature is -5℃, the highest temperature is +40℃,and the average daily temperature does not exceed 30℃.
Altitude: ≤ 1000 meters
Performance parameter
| Rated primary current (A) | One-second thermal current (kA RMS) | Dynamic stable current (kA peak) | Accuracy Class (15/25) | Rated secondary output (VA) | Surface creep (mm) | Weight (kg) | ||
| 0.2S | 0.5 | 5P20 | ||||||
| 10-200 | 15011n | 37511n | 0.2S/5P200.5/5P20 | 20 | 30 | 30 | 1300 | 75 |
| 300-600 | 50 | 125 | ||||||
| 800-1500 | 80 | 200 | 30 | 40 | 40 |
