Measuring Transformer Three-phase Instrument Current Transformer / Current Sensor
1 Apply to
Um ≤12kV outdoor overhead lines
ZW32 type column on the switch
2. Application
♦ Current sensor applied to smart grid outdoor overhead lines of current measurement, to measure, monitor, isolate, and recover current ♦The current sensor is mounted on the Column recloser, circuit breaker outdoor overhead line
3. Technical Data:
| Model | CY-ECTSF3-10WA |
| Max. system voltage | 12 kV |
| Insulation level | 12/42/75kV |
| Lightning impulse withstand voltage | 75kV |
| Rated ratio | Phrase current | 600A/1V (4times max ) |
| Zero sequence current | 20A/0.2V |
| Accuracy | Phase current | 0.5S (5P10) measure, metering, protection compatible |
| Zero sequence current | 10P10(< 1 %@1 %~120%ln) |
| Short time thermal current | 20xln |
| Burden (load resistance) | >20kQ |
| Frequency | 50/60 Hz |
| Operating temperature | -40°C to +70°C |
| Current sensor type | Phase current + zero sequence current sensor |
| Installation method and size | Piercing conductive rod Pillar installation Pillar installation |
| Inner diameter 3-<b23mm |
| Outdoor .silicone jacket package |
| Standard | GB/T 20840.8 (GB/T 20840.6) I EC 60044-8 (I EC 61869-6) |
| Connection type | lead wire introduced from the elbow into the box |
| Connecting cable | RVSP Shield line L = 3 m (length can be customized) |
4. Dimension:
