Siemens SIRIUS 3RM1 Manual page 22

Product-specific safety information
2.3 Safety instructions for safety-related applications
Loss of the safety function during hybrid operation of Failsafe and Standard motor starters.
Can cause death or serious injury.
Hybrid operation of 3RM10/3RM12 Standard motor starters with 3RM11/3RM13 Failsafe
motor starters in safety-related applications is not admissible.
Only ever use safety-related motor starters (3RM11 Failsafe and 3RM13 Failsafe) in safety-
related applications.
Loss of the safety function when the neutral conductor is connected to a load.
Can cause death or serious injury.
When using the 3RM11 Failsafe and 3RM13 Failsafe motor starters, note that no neutral
conductor may be connected if the load circuit contains 3-phase loads, e.g. a 230 V brake
or resistive loads.
NOTICE
Electromagnetic interference
The following must be grounded in accordance with regulations to ensure noise immunity of
the 3RM11 / 3RM13 Failsafe motor starters:
• PELV / SELV power supply units (please also note the documentation for the respective
Note
SILCL 3 to EN 62061:2005, PL e/Cat. 4 to EN ISO 13849-1:2008
The 3RM11 Failsafe and 3RM13 Failsafe safety-related motor starters are designed in such
a way as to allow implementation of safety-related applications up to SILCL 3 in accordance
with EN 62061 and PL e/Cat. 4 in accordance with EN ISO 13849-1.
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WARNING
WARNING
power supply unit in this regard).
SIRIUS 3RM1 motor starter
Manual, 06/2016, A5E0345285095020A/RS-AE/005