Commissioning
47
TemBreak PRO P_BE-UM-001-EN V1.3.0
LSIG 4P – NP and GF Protection Adjustments (I
N,
I
g
)
On the LSIG 4P variant P_BE MCCB, both NP and GF protection modes are configured by the N (%) adjustment rotary dials, which is performed as follows.
Refer to Protection Settings – Ground/Earth Fault Protection (GF) and Neutral Protection (NP) sections for further detail on NP and GF protection.
Turn the MCCB to the OFF Position
Open the transparent flap to access N(%) adjustment dial
Using a PH1, PH2 or PZ2 size screwdriver, rotate the N(%)
adjustment dial to the desired N Coefficient value.
NOTE: There are two sides to the N(%) dial to enable or
disable GF protection: Right side to enable, and left side to
disable.