Jiaxing Wisdom Electronic Tech Co., Ltd.
Jiaxing Wisdom Electronic Tech Co., Ltd.
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3 phase current transformer electricity meters use CT with cross holes DC immunity CT
Suitable for high precision, small phase error requirments of three-phase electric energy meters
More space in the meter can be saved with combined current transformer
Linear output current, high precision
Encapsulated with epoxy resion,with high insulation ability
It accords with IEC60044-1 0.05 class, 0.1 class, 0.2 class
| Rated primary current | Max primary current | Rated secondary current | Turn ratio | Accuracy class | DC component | Shileding | Load resistance |
| I p(A) | I max(A) | I s(mA) | N | (%) | (%) | (T) | Rb |
| 5 | 60 | 2 | 1:2500 | 0.05/0.1/0.2 | ±3% | unavailable | 5Ω,10Ω,20Ω |
| 5 | 60 | 2.5 | 1:2000 | 0.05/0.1/0.2 | |||
| 10 | 60 | 4 | 1:2500 | 0.05/0.1/0.2 | ±3% | ||
| 10 | 60 | 5 | 1:2000 | 0.05/0.1/0.2 | |||
| 10 | 60 | 10 | 1:1000 | 0.1/0.2 | |||
| 5 | 80 | 2 | 1:2500 | 0.1/0.2 | ±3% | ||
| 10 | 100 | 4 | 1:2500 | 0.1/0.2 | ±3% | ||
| 20 | 100 | 8 | 1:2500 | 0.1/0.2 | ±3% | ||
| 20 | 100 | 10 | 1:2000 | 0.1/0.2 | |||
| 20 | 100 | 20 | 1:1000 | 0.1/0.2 | |||
| Working temperature | −40℃~ 85℃ | ||||||
| Isolation voltage | 4000Vrms, 1 Min, No breakdown, No arcing | ||||||
| Insulation resistance | ≥1000MΩ | ||||||
| Operating temperature | 50Hz~60Hz | ||||||
