NHP TemBreak PRO - Commissioning; LTD Adjustments (Ir)

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TemBreak PRO B_BE-UM-001-EN  V1.1.0
Commissioning
LTD Adjustments (I
r
)
The LTD protection is configured by the I
R
adjustment rotary dials, which is performed as follows. Refer to Protection Settings – Long Time Delay Protection
(LTD) section for further detail on setting I
R
Action
Note / Illustration
1
Turn the MCCB to the OFF Position
Open the transparent flap in order to access the l
R
adjustment
dial.
2
Using a PH1, PH2 or PZ2 size screwdriver, rotate the I
R
adjustment dial to the maximum scale value of I
r
in Amperes
or % depending on the MCCB model.
WARNING: Before applying power to the MCCB for the first time, an initial inspection must be performed.
WARNING: Risk of nuisance tripping.
Only qualified personnel are to set the protection levels. Failure to respect these instructions may cause death,
serious injuries or equipment damage.