MR MESSKO MTRAB, Operating Instructions Manual, Page: 74 / 124

6 Electrical connection
74 BA6820378-03 EN
1. Conduct a test between the protective conductor (PE) at terminal 1
and neutral conductor (N-) at terminal 3.
2. Conduct a test between the protective conductor (PE) at terminal 1
and phase (L+) at terminal 2.
Figure 54: Dielectric test
If the device is not operated in the European Community, the
national regulations for conducting the dielectric test in the re-
spective country of use must be observed.
6.13 Ground test
Prior to commissioning, perform a ground test (check of the protective bond-
ing impedance) in accordance with IEC 61010-1. When doing so, observe
the following information:
▪ Test current: 2 times the rated current of the overcurrent protection device
in the supply line.
▪ Test duration: 1 minute per measurement point.
▪ The measured voltage between the measurement point and the protective
conductor must be less than 10 V.