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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
Univariant ratio | |||||||||
Rated primary current (A) | One-second thermal current (kA RMS)) | Dynamic stable current (kA peak) | Accurate stage group (1S/2S) | Rated secondary output (VA) | Surface creep (mm) | Weight (kg) | |||
0.2S | 0.5 | 5P15 | 5P20 | ||||||
10-100 | 20011n | 50011n | 0.2S/5P0.5/5P | 10 | 15 | 15 | 10 | 580 | 28 |
150-300 | 45 | 90 | |||||||
400-600 | 63 | 110 | |||||||
800-1000 | 80 | 130 | |||||||
Complex ratio | |||||||||
Rated primary current (A) | One-second thermal current (kA RMS)) | Dynamic stable current (kA peak) | Accurate stage group (1S/2S) | Rated secondary output (VA) | Surface creep (mm) | Weight (kg) | |||
0.25 | 0.5 | 5P15 | 5P20 | ||||||
20-40 | 150l1n | 37511n | 0.2S/5P0.5/5P | 10 | 15 | 20 | 15 | 580 | 30 |
30-50 | 6 | 15 | |||||||
40-75 | 9 | 22 | |||||||
50-100 | 12 | 30 | |||||||
75-150 | 15 | 37.5 | |||||||
100-200 | 22 | 55 | |||||||
150-300 | 31.5 | 63 | |||||||
200-400 | 40 | ||||||||
300-600 | 45 | 80 | |||||||
400-800 | 6380 | 100130 | |||||||
500-1000 |