WARNING
Hazardous contact voltage
Risk of electric shock in case of incorrect connection.
• For the electrical connection specications, refer to the information in Electrical connection
(Page 72).
• At the mounting location of the device observe the applicable directives and laws for
installation of electrical power installations with rated voltages below 1000 V.
WARNING
Missing PE/ground connection
Risk of electric shock.
Depending on the device version, connect the power supply as follows:
• Power plug: Ensure that the used socket has a PE/ground conductor connection. Check that
the PE/ground conductor connection of the socket and power plug match each other.
• Connecting terminals: Connect the terminals according to the terminal connection
diagram. First connect the PE/ground conductor.
WARNING
Unsuitable cables, cable glands and / plug-in connectors
Risk of electric shock and material damage
• Only use cable glands/plug connectors that meet the requirements for electrical safety.
• Tighten the cable glands according to the instructions in the respective manuals / operating
instructions.
• Close unused cable openings for electrical connections.
• When replacing cable glands, only use ones of the same type.
• Make sure the cables are tight after installation.
Note
Electrical circuit breaker in accordance with IEC 60947-1 and IEC 60947-3
In accordance with IEC 60947-1 "Standard for low-voltage switchgear and controlgear" and IEC
60947-3 "Switches, disconnectors, fuses" you require an electrical circuit breaker for the device.
We recommend commercially available automatic circuit breakers.
Connecting
5.1 Safety instructions
ULTRAMAT 23
68 Equipment Manual, 04/2022, A5E37100388-012
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