Multicheck6010
EN
- 72 -
Displayed results:
I
Trip-out current
Uci
Contact voltage
t
Trip-out time
Notes:
•
Parameters set in this function are also kept for other RCD functions!
•
RCD trip-out current measurement will be performed only if the contact voltage at nominal
differential current is lower than set limit contact voltage!
•
The measurement of contact voltage in the pre-test does not normally trip an RCD. However,
the trip limit may be exceeded as a result of leakage current flowing through the PE protective
conductor or a capacitive connection between L and PE conductors.
4.3.4 Autotest
How to perform RCD autotest
Step 1
Select the
RCD
function FCT key and select the
Auto
mode with the
▲▼
and
◀▶
navigation keys. The following menu will be displayed:
Figure 4 18: RCD autotest menu
Step 2
Set the following measuring parameters:
•
I
ΔN
: Nominal differential trip-out current
•
Tipo
: RCD type
Step 3
Connect the test leads to the instrument and follow the connection diagram shown in
figure 4.12 (also see the chapter 4.3.1 Contact voltage) to perform the RCD autotest.
Step 4
Check for any warnings and check the online voltage/terminal monitor on the display
before starting the measurement. If everything is ok and the is shown, press the
TEST key. The autotest sequence will then start to run as follows:
1.
Trip-out time measurement a test current of IΔN, started with the positive half-wave at
0º. Measurement normally trips an RCD within allowed time period.
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