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FAULT INDICATOR
Fault indicator for overhead lines with remote indication and nominal voltages between 5 kV and 138 kV. Complies with IEEE495-207 standard.
| Features | |
|---|---|
| Short-circuit Trip Current (Phase to Phase) | 50~1200A adjustable, 1A step, 150A default |
| Earth-fault Voltage Drop (Phase to Ground) | Adjustable: 1% step, 30% default |
| Earth-fault Response Delay | Adjustable: 1 second step, 30s default |
| Indication Unit Reset | 1. manual by magnet. 2. remote reset through SCADA system 3. time reset: adjustable, 1 second step, 24h default, max. 48h 4. Auto delay reset after repower, 1 second step, 30s default max 5min, only for permanent fault |
| Protection Class | IP68 |
| Internal Type Test | According to IEEE495-2007 |
| Operation Temperature Range | -40 °C ~ 70 °C |
| Power Supply | Lithium battery type AA 3.6V / 9Ah, replaceable |
| Battery Life | 10 years |
| Indicator weight | approx. 590g |
| DCU weight | approx. 3.6kg |
| Dimensions | Diameter: 93mm Height: 170mm |
| Accuracy | 0A~300A ±3A 300A~800A ±1% |
| Cable Diameter Ranges | 6mm~42mm |
| Blinking Frequency | 10 per minute, adjustable |
| Max. load/fault Current | 1200A |
| Voltage range | 5~138 kV |
| Frequency | 60Hz |
| Current withstands | 31.5kA/4s |
| Communication | 433MHz from indicators to DCU 2.5G/3G/4G from DCU to SCADA |
| Communication Protocol | Indicator to DCU: private DCU to SCADA: IEC101, IEC104, DNP3.0, Modbus |
