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: