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© Festo Didactic 8049692
9
Layout and function
The Three-phase power supply EduTrainer
®
is installed in a console housing with rubber feet. It’s suitable
for use in an A4 frame or on a table.
1
Supply for L1, L2, L3, N, PE
via CEE 3-phase plug
2
Indicators for phases L1, L2, L3
3
3-phase motor protection switch
4 Undervoltage
trigger
5 Key
switch
6
Residual current circuit breaker
(RCCB)
7
Output sockets L1, L2, L3
8
Emergency off mushroom actuator
9
N output socket
10 PE output socket
The EduTrainer
®
3-phase power supply is connected to the 400 V mains via a 16 A CEE 3-phase plug (IEC
60309). Three indicator lamps (L1, L2, L3) indicate the presence of phases L1, L2 and L3.
A motor protection switch used as an on/off switch conducts line voltage to the 4 mm safety sockets at the
output via a 3-phase AC/DC-sensitive RCCB (30 mA).
The emergency off mushroom actuator assures quick shutdown of output voltage in the event of a fault. The
key switch makes it possible for the trainer to enable experiments in a targeted fashion.
The RCCB must be tested for correct functioning by pressing the test key before conducting
experiments.
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