
GMC-I Messtechnik GmbH
11
6.1.4
Contacting the “ON” Key at the PRCD
with the Probe (PRCD-S)
➭
Turn the left-hand rotary selector switch
to the first
ON
position in the orange area
for single-phase interruption.
The
L1 LED
must light up.
➭
Activate the PRCD.
➭
Plug the probe into the
PROBE
socket
and contact the
ON
key at the PRCD with
the test probe.
➭
Observe the notes in chapter 2 „Applica-
tions“ and in the subsection entitled
ulation of “Interference Voltage in the
Protective Conductor” with Probe
.
The PRCD is tripped.
It must not be possible to activate the PRCD
as long as the probe is in contact with the
ON
key at the PRCD.
➭
Step 11: see section entitled “Protective
Conductor Current Measurement” on
page 9.
6.2
PRCD-K (single-phase)
➭
Switch mains power on by
turning the right-hand rotary
selector switch to the
1~ ON
position.
6.2.1
Simulated Interruption
➭
Start with the left-hand rotary se-
lector switch in the first
ON
position in the
orange area for single-phase interrup-
tion.
➭
Switch through the positions, one after
the other, in the clockwise direction (ta-
ble from top to bottom).
Due to its design, the following tests are omitted
for the PRCD-K:
–
PE interruption
–
Simulated wire reversal
–
Simulation of PE to phase
–
Contacting the “ON” key at PRCD with
the test probe
St
e
p
Rotary
Switch
Test
Adapter
PRCD Action
L1
LED
PE
LED
LED
9
Activate the PRCD.
Contact “ON” key at PRCD with test probe.
10
The PRCD is
tripped. It must not
be possible to reac-
tivate it.
St
e
p
Rotary
Switch
Test
Adapter
PRCD Action
L1
LED
PE
LED
LED
1
Activate the PRCD.
2
The PRCD is
tripped. It must not
be possible to
reactivate it.
3
Activate the PRCD.
4
The PRCD is
tripped. It must not
be possible to
reactivate it.
PROFI
TEST
⏐
P
RCD
Fault Simulation