Casing Type Precision Current Transformer
Description
| Product Name | Casing Type Precision Current Transformer |
| P/N | MLCC-2143 |
| Installation Method | Lead Wire |
| Primary Current | 6-200A |
| Turns Ratio | 1:2000, 1:2500, |
| Accuracy | 0.1/0.2/0.5 Class |
| Load Resistance | 10Ω/20Ω |
| Core Material | Ultracrystalline ( double-core for DC) |
| Phase Error | <15′ |
| Insulation resistance | >1000MΩ (500VDC) |
| Insulation withstand voltage | 4000V 50Hz/60S |
| Operating Frequency | 50Hz~400Hz |
| Operating Temperature | -40℃ ~ +95℃ |
| Encapsulant | Epoxy |
| Outer Case | Flame Retardant PBT |
| Application | Wide Application for Energy Meter, Circuit Protection, Motor Control Equipment，AC EV Charger |
Features
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
Good linearity, high precision
Encapsulated with epoxy resin, with high insulation ability
It accords with IEC60044-1, 0.05 class, 0.1 class, 0.2 class
For AC:
AC measurement capacity is 20% higher than rated current
Negligible small amplitude error
Extreme linear, easily compensable phase curve
Low temperature dependence
|
Primary Current (A) |
Turns ratio |
Burden resistance(Ω) |
AC Error (%) |
Phase Shift (‘) |
Accuracy |
|
6 |
1:2500 |
10/12.5/15/20 |
<0.1 |
<15 |
≤0.1 |
|
10 |
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|
20 |
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|
40 |
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|
60 |
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|
80 |
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|
100 |
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|
120 |
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|
150 |
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|
200 |
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| 400 |
1:4000 or request |
5 or request |
For DC：
Special double-core structure
Resistance to DC component
AC measurement capacity is 20% higher than rated current
DC measurement capacity is more than 75% of the rated AC
| Primary Current (A) | Turns ratio | Burden resistance(Ω) | AC Error (%) | Phase Shift (‘) | Accuracy | |
|
AC |
DC |
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|
6 |
6/√2 |
1:2500 |
10/12.5/15/20 |
<0.1 |
<15 |
≤0.1 |
|
10 |
10/√2 |
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|
40 |
40/√2 |
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|
60 |
60/√2 |
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|
80 |
80/√2 |
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|
100 |
100/√2 |
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|
120 |
120/√2 |
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