
PAT ADAPTERS –USER MANUAL
2.2 Switchable
The adapters are provided with a
rotary switch that provides con-
nections shown below
:
–
L line of the test socket con-
nected with L1
–
L line of the test socket con-
nected with L2
–L line of th
nected with L3
–
L line of the test socket con-
nected with L1+L2+L3 (short-
ed)
-wire
xThe adapters of three-phase sockets are designed to test the safety of devices powered from
16 A and 32 A three-phase sockets.
xAdapters may be used for the following measurements:
oprotective conductor resistance RPE (200 mA, 10 A, 25 A),
oinsulation resistance RISO (100 V, 250 V, 500 V, 1000 V).
osubstitute leakage current ISUB.
xThe adapters - with the exception of the adapter for industrial sockets 16 A - shall not be used to
measure:
oPE leakage current,
odifferential leakage current IΔ,
otouch leakage current IT,
opower and current consumption,
oautomatic containing the above measurements.
In the cases specified above, the measurement assumes that the tested device is powered from the
outlet test socket. In the case of three-phase devices it is impossible. Moreover, if the current con-
sumption from the test socket exceeds 16 A, replaceable fuses will be blown in PAT device.
When using the adapter for R
PE
tests, take into account that the measurement result
may be overstated by the value
of adapter resistance.
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