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Examples for measuring the ground conductor current
When carrying out the measurement (direct or differential current process), the ground
conductor current must not exceed the limit value of 3.5 mA **).
**) These requirements relate to DIN VDE 0701-0702 and ÖVE/ÖNORM E8701-1. In ad-
dition, individual national requirements and standards must also be observed.
Contact Current - Measurement should only be carried out once measurement of ground conductor cur-
rent has been carried out successfully
- The device must remain in operation.
Measurements are taken between a grounded point and the touchable, conductive part
which is not connected with the ground conductor.
The contact current must not exceed 0.5 mA *).
1 Measuring instrument
2 Inverters
6.2 Touchable, conductive part not connected to the
ground conductor
8 Insulated assembly of the object being tested
9 Measurement leads
Ri 1 - 2 kΩ
6.2 Touchable, conductive part not connection to the
ground conductor
*) These requirements comply with DIN VDE 0701-0702 and ÖVE/ÖNORM E8701-1. Also
refer to the applicable requirements and standards in your country.
PE
mA
L1
1
2
9
N
PE L1 N
9
8
6.2
R
i
1-2kΩ
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