Measurements RCD testing
9
3.5 RCD testing
1
Set function
2
Set sub-function
3
Set parameters and limits
Contact voltage
Tripping time
Tripping current
RCD autotest
Limit contact voltage [25V,
50V]
Nominal differential RCD
tripping current
[10 mA
÷
1000 mA]
Multiplier of nominal
differential RCD tripping
current [
×
½
,
×
1,
×
2,
×
5]
Test current starting polarity
and RCD type [
G,
G,
S,
S,
G,
G,
S,
S]
4
Connection diagram
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:
U
C
:
Contact voltage
R
L
:
Fault loop resistance
Lim
: High limit fault loop
resistance
Displayed results:
t:
Tripping time
U
C
:
Contact voltage
Displayed results:
I
Δ
:
Tripping current
U
CI
:
Contact voltage
tI:
Tripping time
Displayed results:
U
C
:
Contact voltage
t1-t6:
Tripping times