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Fault indicators of the

Some of the panel-mounted indicators can be manufactured in the cost-efficient housings of the NG-Series. This housing has a compact design so that it provides a lower installation depth than the standard housing. It also provides a 230V AC connector as a reset input. This input is not used for power supply but is used to reset the device on recovering voltage supply. To use this reset input the 230V AC power source must fail during fault condition.

Due to the compact housing it is not possible to provide an external power supply like 10V DC or 230V AC power supply.

In general the application of the indicators of the NG-Series is similar to their standard counterparts.

Type EKL8002NG

As a unique NG-Series indicator without standard counterpart the earth-fault and short-circuit indicator type EKL8002NG is available. This indicator is equipped with two relays for separate remote indication of earth-faults and short-circuits. Additionally, this indicator provides a third relay for the remote indication of a low battery status.

Order Data
EKL3.2NG | sensors LK and SE 28.10.10
EKL8000NG | sensors LK and LE 28.20.10
EKL8001NG | sensors LK and LE, two relays 28.21.10
EKL8002NG | sensors LK and LE, three relays 28.22.10
MF-L NG | sensor LK 28.30.10
EASI NG | sensor SE 28.40.10

Features and Benefits

Compact design with low installation depth
Similar application like their standard counterparts
Short-circuit: seven trip currents, see sensor type LK
Depending on sensor type: - Earth-fault: five trip currents between 10 A and 160 A for sensor type SE - Earth-fault: seven trip currents, see sensor type LE
Four response delays between 40 ms and 300 ms
LED indication
Passage of 2nd short-circuit by double blinking
Indication of permanent earth-faults by double blinking
Button to test the function of the display unit
Reset function:
– Manual by push button
– Time: four values between 1 h and 12 h
– Remote reset contacts – 230V AC reset input – Depending on sensor type: by recovering service current
Power supply: Lithium battery type AA 3.6V
Contacts for remote indication
Permanent or wipe contact type can be selected on site
Optional: second relay for separate remote indication of earth-faults and short-circuits
Panel-mounted housing
Optional: blinking lamp type BL4.1 / BL6 for outdoor indication


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