JYZ-FF V2.0 Remote Overhead Line Fault Indicator Overhead Fault Indicator, Line Fault Indicator

JYZ-FF V2.0 Remote Overhead Line Fault Indicator

 Malfunction 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.

Trial Sample

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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