• Fault Path Indicator
  • Remote Overhead Line Fault Indicator-3
  • Fault Circuit Indicator
  • Line Fault Indicator
  • Fault Indicator
JYZ-FF V2.0 Remote Overhead Line Fault Indicator
JYZ-FF Overhead Line Remote Fault Indicators is usually used in 5~38KV (can be customized by 44KV, 69KV and 110KV ) overhead line power distribution network to monitor and detect short- circuit and earth fault. The fault signal is indicated by mechanical flag and three ultra-bright blinking LEDs with 360º sight. The fault information and current value can also be uploaded to the SCADA by 2.5G/3G/4G networks.
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JYZ-FF Overhead Line Remote Fault Indicators is usually used in

5~38KV (can be customized by 44KV, 69KV and 110KV ) overhead line

power distribution network to monitor and detect short- circuit and earth

fault. The fault signal is indicated by mechanical flag and three ultra-bright

blinking LEDs with 360º sight. The fault information and current value can

also be uploaded to the SCADA by 2.5G/3G/4G networks.

 
This Overhead Line Remote Fault indicator can be mounted under live

conditions with the help of an adapter and a hot stick. The parameters such

as trip current, reset time, blinking interval, etc., can be read and adjusted

by a bidirectional wireless tool. Battery low warning can be distinguished

and indicated locally by red mechanical flag

The earth-fault and short-circuit fault indicator type JYZ-FF consists of:

1) 1 pcs DCU: Transmission fault and load current value to SCADA
 
2) 3 pc indicators: short-circuit and earth fault detection and indication

 
parameter
JYZ-FF V2.0 Remote Overhead Line Fault Indicator Features and Options
Subject Value
Short-circuit Fault Indication of short-circuit fault by red mechanical flag and three ultra-bright blinking LEDs.
Earth-fault Indication of earth-fault by red mechanical flag and three ultra-bright blinking LEDs.
Low Battery Warning Indication of Low battery warning by red mechanical flag.
Parameter Adjusted The parameters can be read and adjusted by bidirectional wireless tools.
Remote Transmission DCU can transmit data to remote SCADA system.
Power Supply The indicator can take power from overhead lines, with lithium battery backup.
The DCU can take power from solar energy with lithium battery backup.



General Data
Subject Value
Short-circuit trip Current (Phase to Phase) 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.<1kg
Indication Unit Reset 1 Manual by magnet
2 Communications by wireless tools or DCU (optional)
3 Time reset: adjustable, 1 second step, 24h default
4 Auto delay reset after repower, 1 second step, 30s default
Protection Class IP68
Internal Type Test According to IEEE495-2007
Operation Temperature Range -40~+70℃
Power Supply Lithium battery type AA 3.6V / 2700mAh, replaceable
Battery Life Approx. 10 years
Weight <1kg
Dimensions Diameter: 93mm
Height: 170mm
Accuracy 0A~300A  ±3A
300A~800A ±1%
Cable Diameter Ranges 6mm~42mm
Blinking Frequency 20 per minute, adjustable
Maximum Operating Voltage <= 38KV
Current Withstand 31.5KA/2s
Communication 433MHz from indicators to DCU
2G/3G/4G from DCU to SCADA


 

 
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