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Overhead line fault indicator
Overhead line fault indicator

line fault indicator 6KV-66KV new type, be tested,more accurate red flag or LED flash light Manufacture&IS09001

overhead high voltage line fault indicator

Description

     Fault indicator is installed on the over-head lines, power cables and the busbars of the switch cabinet to indicate the fault current path. When line fault comes, the line inspector can determine the fault section, fault branch and fault point quickly by the alarm display on the indicator. It changes completely the methods of blind line inspection and finding the fault area through switching on one area after another in the past. Thus, it reduces the area and time of power outage and improves the reliability of the power supply.

Function features

    ♦ Fault indicator is installed directly on the power overhead lines, cables and busbars. It can be operated outside for a long term without maintenance   

    ♦ Indicate directly and accurately the branch and section of the fault point, thus can shorten the time to find the fault point

    ♦ When a failure occurs, the display window shows up red or the LED alarm light flashes constantly

    ♦ After the action, it can reset automatically according to the time selected by the user

    ♦ It can be installed and removed on live line and does not affect the normal operation of circuit

    ♦ When transmit electric to the lines, the action loop closes to avoid malfunction of the indicator

  

Parameters

Technical index

Aerial earth

or short-circuit

fault indicator

Switchgear-type

earth or

short-circuit

fault indicator

Aerial short-circuit fault indicator

Cable-type short-circuit

fault indicator

Model

ESI-I

ESI-II

SFI-I

SFI-II

Fault type

earth/short-circuit

earth/short-circuit

Short-circuit

Short-circuit

Applicable Voltage grade

6-66kV

6-66kV

6-66kV

6-66kV

Applicable wire cross-section

16-400 mm2

16-400 mm2

16-400 mm2

16-400 mm2

Standard reset time

Adjustable

Adjustable

Adjustable

Adjustable

Times of actuating

Over 5000

Over 5000

Over 5000

Over 5000

Static power consumption

1uA

1uA

1uA

1uA

Applicable ambient temperature

–35°C~70°C

 –35°C~70°C

–35°C~70°C

  –35°C~70°C

Relative humidity

Daily mean

≤95%

Daily mean

≤95%

Daily mean

≤95%

Daily mean

≤95%

Maximum elevation

4000m

4000m

4000m

4000m

Contamination grade

IP68

IP68

IP68

IP68

Indication  mode

Red flag

LED flash light

Red flag

LED flash light

Sincerely,

Jessie

    

Overhead line fault indicator

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