Siemens 340 - Configuration; Rated operational current and derating

SIRIUS 3RM1 motor starter
Manual, 11/2013, A5E0345285095020A/RS-AB/002
51
Configuration
4
4.1
Rated operational current and derating
Values for rated operational current I
e
Depending on the current setting range, the following rated operational currents apply for the
3RM1 motor starters:
Motor starter version
3RM1.01-.....
3RM1.02-.....
3RM1.07-.....
Rated operational current I
eAC53a
[A] 0,5 2 7
Setting range for I
e
[A] 0,1 ... 0,5 0,4 ... 2 1,6 ... 7 (10)
Minimum current per phase of the motorized
load [A]
0,05 0,14 0,6
Note
The devices with I
eAC53a
= 7 A have in addition to this setting value an I
eAC51
setting value for
10 A in the highest setting level. This setting is intended for resistive loads to 10 A and is not
suitable for operating motors. With this setting, there is no overload trip in accordance with
Class 10A. Instead, this takes place in accordance with the description in the chapter
"Overload protection/device protection characteristic (Page 125)".
As soon as the minimum current limit is violated, fault detection (phase failure) picks up.
When using the 3RM11 Failsafe and 3RM13 Failsafe motor starters, please note that no
neutral conductor may be connected in the load circuit, e.g. in the case of a 230 V brake or
resistive loads.