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© Festo Didactic 8049692
6
Safety sockets
Unless otherwise specified in the technical data, the following color codes apply to the power supply and
signal connections for components included in Festo Didactic’s learning system for automation and
technology.
Color
Meaning
Color
Meaning
Voltage greater than SELV
e.g. line voltage of 90 to 400 V AC per conductor
(grey)
24 V DC
(red)
Neutral conductor
(gray-blue)
0 V DC
(blue)
Undefined potential,
results during the course of experiments
(white)
Safety extra-low voltage,
signal input/output
(black)
Protective conductor
(green-yellow)
The specified protection class and safe use can only be ensured if laboratory safety cables supplied by Festo
Didactic are used.
7
Description
The Three-phase power supply EduTrainer
®
provides supply voltage for the training package for
“Fundamentals of circuits with contacts”. The EduTrainer
®
makes safe 3-phase current, which is monitored
for residual current, available at the 4 mm safety sockets at outputs L1, L2 and L3.
This 3-phase current can be switched off via the emergency off mushroom actuator and can be locked with
the help of the key switch.
Summary of Contents for EduTrainer 571812
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