The SIRIUS 3RM1 motor starters described here have been developed to carry out
switching functions as part of a plant or machine.
The 3RM1 motor starters are available as direct-on-line starters in Standard design without
safety-related shutdown (3RM10) and in Failsafe design with safety-related shutdown
(3RM11 Failsafe), and also as reversing starters without safety-related shutdown (3RM12)
and in Failsafe design with safety-related shutdown (3RM13 Failsafe).
The following must be noted when using 3RM11 Failsafe/3RM13 Failsafe safety-related
motor starters:
A complete safety system consists of sensors, evaluation units, signaling devices and
methods for safety-related shutdown.
The manufacturer is responsible for ensuring safe overall functioning of a plant or machine
with safety-related components.
Siemens AG, its regional offices, and associated companies (hereinafter referred to as
"Siemens") cannot guarantee all the properties of an overall installation or machine that has
not been designed by Siemens.
Nor can Siemens assume liability for recommendations that appear or are implied in the
following description. No new guarantee, warranty, or liability claims beyond the scope of the
Siemens general terms of supply are to be derived or inferred from the following description.
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