Configuration
4.4 Derating with high ambient temperature
SIRIUS 3RM1 motor starter
62
Manual, 06/2016, A5E0345285095020A/RS-AE/005
Maximum ambient temperature for 3RM1.07 (7 A)
The permissible rated operational current of the 3RM1.07 motor starter decreases
depending on the mounting position, the design version and the ambient temperature T
U.
Utilization category AC 53 a:
For the 7 A version, the following derating values apply depending on the mounting position
and the installation version:
Mounting position
Ambient
temperature
in °C
Max. setting values for 7 A device in A for AC 53 a with
design version
Individually/with
22.5 mm clearance
Alternately with
2 A device
Side-by-side
Vertically on horizontal rail 40
7 / 6.5
2)
4.6
4
45
6.1
4
3.6
50
6.1
3.2 / 2.8
1)
3.2 / 2.4
1)
55
5.2
0
0
60
4.6
0
0
Horizontally on vertical rail 40
5.2
4
3.2
45
4.6
2
2
50
4
0
0
55
3.2
0
0
60
2.0
0
0
Upright on horizontal
rail/mounting surface
40
6.1
4
3.6
45
5.2
3.6
3.2
50
5.2
0
0
55
4
0
0
60
3.6
0
0
1)
When using device connectors
2)
With fuse module
Utilization category AC 51 (resistive loads):
The permissible rated operational current of the 3RM1.07 motor starter decreases for
utilization category AC 51 depending on the design version and the ambient temperature T
U
as follows:
Ambient temperature
in °C
Max. setting values for 7 A device in A for AC 51
Individually/with
22.5 mm clearance
Alternately with 2 A
device
Side-by-side
40
10 / 8.5
1)
4.6
4.6
45
7
3.2
3.2
50
7
3.2
3.2
55
5.2
0
0
60
5.2
0
0
1)
With fuse module
