Siemens SIMATIC ET 200SP System Manual page 101

Wiring
6.6 Wiring rules
Line protection
The line protection of the SIMATIC ET 200SP motor starter is provided for the motor
outgoing feeder cable when the following condition is met:
The cross-section of the motor outgoing feeder cable must be dimensioned for the load
ratios of the motor and for the cable-laying method.
Comply with national regulations. The user is responsible for the correct selection and
dimensioning of the motor connection cable to DIN VDE 0100 and DIN VDE 0298-4 and/or
UL 508.
The conductor protection for the incoming feeders must be ensured by the owner of the
installation depending on the cross-section.
Cable temperature measurement threshold
Note
Cable temperature measurement threshold
When choosing a cable, remember that the cable temperature in operation can be up to
30 °C higher than the ambient temperature of the ET200SP system (example: at an ambient
temperature of 60 °C, a connection conductor must be dimensioned for a temperature range
of at least 90 °C).
You should specify other connection types and material requirements based on the electrical
characteristics of the circuits you use and the installation environment.
100
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ