Direct-On-Line Starter - Siemens SIRIUS 3RM1 Manual

NOTICE
Damage to property
If you are operating a 3RM1 motor starter in parallel to a frequency converter on the same
motor, install an isolating contactor. If the frequency converter has an output filter, the
isolating contactor must be installed downstream of this filter.
①
②
③
④
Figure 3-2
3.5.1.1

Direct-on-line starter

Using the 3RM1 motor starter as a direct-on-line starter
All 3RM1 motor starters can be used as direct-on-line starters.
To switch the 3RM1 motor starter on, apply the control voltage at input IN1.
After the motor is switched off, the motor starter accepts a new start after a pause time.
You can also use the versions of the 3RM1 motor starter with a rated operational current up
to 7 A for switching resistive loads up to I
SIRIUS 3RM1 motor starter
Manual, 06/2016, A5E0345285095020A/RS-AE/005
SIRIUS 3RM13 Failsafe motor starter
SIRIUS 3RT2 contactor
Frequency converter, e.g. SINAMICS G120 frame size A with BOB-2, 2nd generation
Motor
3RM13 as an alternative control to a frequency converter
= 10 A under normal operating conditions.
AC51
Description
3.5 Functions
33