Measurements Fault loop impedance and PFC
8
3.4 Fault loop impedance
1
Set function
2
Set sub-function
3
Set parameters and limits
Zs
Zs (rcd)
Fuse type [
∗
F sets limit off,
BS88, BS3036, BS1361,
BS1362, B, C, D]
Fuse current rating
[6 A
÷
200 A]
Fuse tripping time
[0.4 s, 5 s]
4
Connection diagram
Zs
L1
L2
L3
N
PE
R
E
Ro
L
PE
N
L/L
1
N/L2
PE/L3
Zs (rcd)
L1
L2
L3
N
PE
R
E
Ro
L
PE
N
L/L
1
N/L2
PE/L3
5
Press the
TEST
key.
6
View results
Displayed results:
Z:
Fault loop impedance
I
SC
:
Prospective fault current
Lim:
High limit fault loop impedance value (if applicable)
