Electrical Safety - Festo Contactor board EduTrainer Manual De Utilización

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5.3 Electrical safety

26
•
Risk of death in case of interrupted protective earth conductor!
– The protective conductor (yellow-green) must not be interrupted, either inside or
outside of the device.
– The insulation of the protective conductor must never be damaged or removed.
•
Risk of death from connecting power supply units in series!
Contact voltages of greater than 25 V AC or 60 V DC are not permissible.
Coming into contact with voltages of greater than 50 V AC or 120 V DC may be fatal.
– Do not connect voltage sources in series.
• Risk of death due to electric shock!
Protect the outputs of the power supply units (output sockets/terminals) and cables
connected to them from direct contact.
– Only use cables with adequate insulation and electric strength.
– Use safety sockets with fully shrouded contact points.
DANGER
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