
165
EN
Direct method
- Ground conductor current measured using ammeter on the ground con-
ductor
1 Measuring device
2 Inverter
8 Isolated setup of test piece
9 Measuring line
Examples of measuring the ground conductor current
Differential current method
- Ground conductor current measured using an ammeter on
the N and L conductors
As with an FI switch, the currents between the outer conductor (L) and the neutral conduc-
tor (N) are compared using a converter. The difference is displayed.
1 Measuring device
2 Inverter
9 Measuring line
Examples of measuring the ground conductor current
The ground conductor leakage current must not exceed the limit value of 3.5 mA during
this measurement (direct or differential current method**).
**) These requirements comply with DIN VDE 0701-0702 and ÖVE/ÖNORM E8701-1. Also
refer to the applicable requirements and standards in your country.
Contact Current
-
Only Perform The Measurement If A Ground Conductor Current Measurement Has
Been Carried Out Successfully
-
As Before, The Device Must Be Switched On.
The Measurement Is Taken Between A Grounded Point And The Touchable, Conductive
Part That Is Not Connected To The Ground Conductor.
PE
mA
L1
1
2
9
9
9
N
PE
L1
N
8
PE
L1
1
2
9
9
9
N
PE
L1
N
mA
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