Operation Manual

MI 3310 / MI 3310A SigmaGT Measurements
65
RCD autotest procedure
RCD Autotest steps Notes
 Select the RCD test function.
 Set Auto test mode.
 Select test parameters.
 PRCD: Connect tested PRCD between test socket on
the SigmaGT and IEC appliance connector (see figure
above). Depending on the type of PRCD, it may be
necessary to manually switch it on.
 RCD: Connect the SigmaGT main entry to socket
protected by tested RCD (see figure above).
 Press the START key. Start of test
 Test with IN, 0 (step 1).
RCD should trip-out
 Re-activate RCD.
 Test with IN, 180 (step 2).
RCD should trip-out
 Re-activate PRCD.
 Test with 5IN, 0 (step 3).
RCD should trip-out
 Re-activate RCD.
 Test with 5IN, 180 (step 4).
RCD should trip-out
 Re-activate RCD.
 Test with ½IN, 0 (step 5).
RCD should not trip-out
 Test with ½IN, 180 (step 6).
RCD should not trip-out
End of test.
Step 1 Step 2
Step 3 Step 4