METREL EurotestXC MI 3152 - Profile Finland (Profile Code ALAC)

MI 3152(H) EurotestXC (2,5 kV) Appendix B – Profile notes
194
Modification of RCD Auto test procedure
RCD Auto test inserted steps
Notes
 Re-activate RCD.
Test with 2I
N
, (+) positive polarity (new step 3).
RCD should trip-out
 Re-activate RCD.
Test with 2I
N
, (-) negative polarity (new step 4).
RCD should trip-out
Inserted new Step 3
Inserted new Step 4
Figure A.3: Example of individual steps in RCD Auto test – Inserted 2 new steps
Test results / sub-results
t I∆N x1 (+)
Step 1 trip-out time (I

=I
N
, (+) positive polarity)
t I∆N x1 (-)
Step 2 trip-out time (I

=I
N
, (-) negative polarity)
t I∆N x2 (+)
Step 3 trip-out time (I

=2I
N
, (+) positive polarity)
t I∆N x2 (-)
Step 4 trip-out time (I

=2I
N
, (-) negative polarity)
t I∆N x5 (+)
Step 5 trip-out time (I

=5I
N
, (+) positive polarity)
t I∆N x5 (-)
Step 6 trip-out time (I

=5I
N
, (-) negative polarity)
t I∆N x0.5 (+)
Step 7 trip-out time (I

=½I
N
, (+) positive polarity)
t I∆N x0.5 (-)
Step 8 trip-out time (I

=½I
N
, (-) negative polarity)
I∆ (+)
Step 9 trip-out current ((+) positive polarity)
I∆ (-)
Step 10 trip-out current ((-) negative polarity)
I∆ d.c. (+)
Step 11 trip-out current ((+) positive polarity)
1)
I∆ d,c, (-)
Step 12 trip-out current ((-) negative polarity)
1)
Uc
Contact voltage for rated I
N
1)
Steps 11 and 12 are performed if parameter Use is set to ‘other’ and Type to EV RCD or
MI RCD.
A.3 Profile Finland (profile code ALAC)
Ia(Ipsc) limit modified in fuse types gG, NV, B, C, D and K.
Refer to Fuse tables guide for detailed information on fuse data.