Feature of JZZ-FF Overhead Line Fault Indicator
- Short circuit Fault: Red mechanical flag and three red ultra-bright blinking LEDs.
- Earth-fault: Red mechanical flag and three red ultra-bright blinking LEDs
- Low Battery Warning: Red mechanical flag.
- Parameter Adjust: The parameters can be adjusted by dial switches during production.
- Power Supply: Lithium battery, type AA 2.7Ah/3.6V.
Specification of JZZ-FF Overhead Line Fault Indicator
| Subject | Value |
| Short-circuit Trip Current (Phase to Phase) | 150A, 300A, 450A, 600A, can be set by dial switch during production |
| Trip Current Delay | 40, 80, 120, 200ms, can be set during production |
| Indication Unit Reset | 1. Manual by magnet |
| 2. Time reset: adjustable, 2 minutes, 8h, 24h, 48h, can be set during production | |
| 3. Auto reset after repower, 30s default, only for permanent fault | |
| Protection Class | IP68 |
| Internal Type Test | According to IEEE495-2007 |
| Operation | -40~+70℃ |
| Temperature Range | |
| Power Supply | Lithium battery type AA 3.6V/2.7Ah, replaceable |
| Battery Life | 10 years |
| Weight | Approx. 600g |
| Dimensions | Diameter: 93mm |
| Height: 128mm | |
| Accuracy | 0A~300A ±3A |
| 300A~800A ±1% | |
| Cable Diameter | 6mm~42mm |
| Ranges | |
| Blinking Frequency | 10 per minute, adjustable |
| Max. load/fault Current | 1100A |
| Voltage range | 5~14KV. For higher voltage, can be customized |
| Current withstand | 31.5KA/4s |
