19
3.5 RCD
Set
function
c
Set parameters and limits
- Limit contact voltage [25 V, 50 V]
- Nominal differential RCD tripping
current
[10 mA ÷ 1000 mA]
- Multiplier of nominal differential
RCD tripping [x½, x1, x2, x5]
- Test current starting polarity and
RCD type [
G,
G,
S,
S,
G,
G,
S,
S]
Note:
Type AC
, type A
,
G general, non-delayed,
S selective, time-delayed,
positive start polarity,
negative start polarity
b
Set sub-function
- Contact voltage measurement (UC)
(test without measurement)
- Tripping time measurement (RCDt)
- Tripping current measurement
(RCD
)
- RCD autotest (AUTO)
d
Connection diagram
e
Press the
key
f
View results
Displayed results:
U
C
: Contact voltage
R
L
: Fault loop
resistance
Displayed results:
t:
Trip-out time
U
C
:
Contact voltage
Displayed results:
I
∆
:
Trip-out current
U
CI
:
Contact voltage
tI:
Trip-out time
Displayed results:
U
C
:
Contact voltage
t1-t6:
Trip-out times
Measurements RCD