Standard Current Transformers
WHLB Series
WHLB Series Standard Current Transformers are mainly used as reference CTs for current transformer measurements and tests: error tests, characteristic tests, and so on.
About the Product
WHLB Series Standard Current Transformers are mainly used as reference CTs for current transformer measurements and tests: error tests, characteristic tests, and so on. These reference current transformers, available in various accuracy levels, are in compliance with IEC 60044 (IEC 61869) or ANSI/IEEE C57.13. They can also be made according to other requirements and specifications.
Specifications
| Model | WHLB Series |
| Primary Current Range | 5 ~ 5000 A |
| Rated Secondary Current | 5A, 1A |
| Accuracy Class | 0.05%, 0.02%, 0.01 % (or other values) |
| Rated Secondary Burden | 0.2Ω (or according to user requirements) |
| Power Factor | COSθ=0.8 (low voltage level) |
| COSθ=1.0 (high voltage level) | |
| Operation Range | 1% - 120% In |
| Frequency | 50Hz, 60Hz |
| Voltage Level | AC 600V (low voltage level) |
| AC 10kV, 35kV, 50kV, or other values (high voltage level) | |
| Note: Technical data listed above are default values. Customer specifications can be requested. | |
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