Connecting
5.1 Safety instructions
ULTRAMAT 23
68 Manual, 3/2016, A5E37100388-003
Electrical circuit breaker in accordance with IEC 60947-1
Note
Electrical circuit breaker in accordance with IEC 60947-1 and IEC 60947-3
In accor
dance with IEC 60947-1 "Standard for low-voltage switchgear and controlgear" and
-3 "Switches, disconnectors, fuses" you require an electrical circuit breaker for the
We recommend commercially available automatic circuit breakers.
Dangerous contact voltage
Dangerous contact voltage
Danger of electric shock in case of incorrect connection.
• For the electrical connection specifications, refer to the information in Electrical
connection (Page 73).
• 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.
Missing PE/ground connection
Missing PE/ground connection
Danger of electric shock.
Depending on the device version, connect the power supply as follows:
•
: 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.
•
: Connect the terminals according to the terminal connection
diagram. First connect the PE/ground conductor.