0.72KV Phase Zero Sequence Current Transformer Sensor / 3 Phase Current Transformer
CY-ECTST2 0.72KV Phase current + zero sequence current sensor and Three-phase Low Power Current Sensor Apply to ≤ 24kV cable (insulated) bus ≤ 0.72kV low voltage non - insulated bus Application > Currents sensor is suitable for smart grid low or medium voltage switchgear insulation bus or cable bus measurement. > Current sensor is mounted on insulated bus bars, shielded cable connectors or similar type insulated conductors. Technical Data Model CY-ECTST2 Max. system voltage
CY-ECTST2 0.72KV Phase current + zero sequence current sensor and Three-phase Low Power Current Sensor
Apply to
≤ 24kV cable (insulated) bus
≤ 0.72kV low voltage non - insulated bus
Application
> Currents sensor is suitable for smart grid low or medium voltage switchgear insulation bus or cable bus measurement.
> Current sensor is mounted on insulated bus bars, shielded cable connectors or similar type insulated conductors.
Technical Data
| Model | CY-ECTST2 | |
| Max. system voltage (cable bus) | 24kV | |
| Insulation level | 0,66/3kV (0,72/3kV) | |
| Rated ratio | Phase current | 600A/1V(4 times max ) |
| Zero sequence current | 20A/0.2V | |
| Accuracy | Phase current | 0.5S(5P10)measure, metering, production compatible |
| Zero sequence current | 10P10(＜1%@1%~120%In) | |
| Short time thermal current | 20xIn | |
| Burden (load resistance) | ≥20kΩ | |
| Frequency | 50/60 Hz | |
| Operating temperature | -40°C to +70°C | |
| Current sensor type | Phase current + zero sequence current sensor | |
| Installation method and size | core is mounted on the busbar | |
| Inner diameter 3-Φ85mm(3-Φ110mm) | ||
| bottom installed with screw holes | ||
| Standard |
GB/T 20840.8 (GB/T 20840.6) IEC 60044-8 (IEC 61869-6) |
|
| Connection type | Air plug - lead terminal | |
| Connecting cable | RVSP shielded wire L = 3 m (length can be customized) | |
Outline Drawing
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