Earth Leakage Indicator

DYO-FF V1.0 Cable Line Earth Leakage Indicator

The DYO-FF Cable Line Earth Leakage Indicator is used in 6~35KV Cable line distribution networks, usually installed in Ring Main Unit, Cable Distribution Box, Switch Cabinet, enable the electricity distribution network engineers to quickly identify the faulty section of network and restore power supplies to customers on healthy sections in the shortest time possible.

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Feature

  • 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

DYX-FF Remote Cable Line Fault Indicator

General
Applicable voltage range
6~35KV (should confirm before production)
Applicable current range 0~630A (should confirm before production)
Applicable power frequency range 45~60Hz (should confirm before production)
MTBF more than 70000H
Impulse current withstand 31.5kA for 2s
Degree of protection IP67
Weight less than 540g
Outline dimension Ф75mm * 115mm

 

EMC
Electrostatic discharge
Can withstand the GB/T 17626.2 of the IV level of electrostatic discharge interference test
Communication discharge: + 8KV
Air discharge: + 15KV
EFT/B immunity test
Can withstand the GB/T 17626.12 of the IV class fast pulse group interference test
Voltage peak value: 2KV
Frequency: 5KHz & 100KHz
Radiated susceptibility Can withstand the GB/T 17626.3 of the IV level RF electromagnetic field immunity
Field strength: 30V/m
Surge immunity
Can withstand the GB/T 17626.5 of the IV level surge (impact) interference test
Common mode voltage: 4KV ± 10%
Differential mode voltage: 2KV ± 10%
Power frequency magnetic field immunity Can withstand the GB/T 17626.8 of the V level power frequency magnetic field immunity interference test
Magnetic field intensity: 100A/m
Damped oscillatory magnetic field immunity Can withstand the GB/T 17626.10 of the V level damping oscillation magnetic field immunity test
Damped oscillatory magnetic field intensity peak value: 100A/m

 

Environmental
Environment temperature Operation temperature: -35℃~80℃(-31~+176℉)
Storage temperature: -40℃~85℃(-40~+185℉)
Relative humidity 5~95%( No condensing)
Altitude ≤4000m

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