Product features
5.5 Permissible ambient temperatures up to 1000 m above sea level.
Motor starter (3RK1308‑0**00‑0CP0)
Equipment Manual, 11/2019, A5E34821005002A/RS-AC/003
45
Use of fans in group configuration (side-by-side)
1) Operation with power bus (24 V DC) up to 27 A
See the table below for the cases in which you must use a fan depending on the ambient
temperature when operating with a power bus (24 V DC) up to 27 A:
Set operational
current I
e
Direct-on-line starter
Reversing starter
Horizontal mounting
position
Vertical mounting
position
Horizontal mounting
position
Vertical mounting
position
Ambient temperature
1 A
45°... 60 °C
1)
40°... 50 °C
1)
45°... 60 °C
1)
40°... 50 °C
1)
3 A
45 ... 60 °C
1)
40°... 50 °C
1)
45°... 60 °C
1)
40°... 50 °C
1)
5 A
40°... 60 °C
1)
35 ... 50 °C
1)
37°... 60 °C
1)
32°... 50 °C
1)
7 A
35 ... 60 °C
1)
30°... 50 °C
1)
32 ... 60 °C
1)
27°... 50 °C
1)
9 A
30°... 60 °C
1)
25 ... 50 °C
1)
25°... 55 °C
1)
20°... 50 °C
1)
> 9 A
Up to max. 50 °C
1)
2)
Up to max. 50 °C
1)
2)
Up to max. 50 °C
1)
2)
Up to max. 50 °C
1)
2)
> 10 A
Up to max. 45 °C
1)
2)
Up to max. 45 °C
1)
2)
Up to max. 45 °C
1)
2)
Up to max. 45 °C
1)
2)
1) In operation with power bus up to 32 A, the maximum usage temperature is reduced by
10 K.
2) Fans are included in the scope of supply
2) Operation with power bus (24 V DC) in accordance with UL/CSA requirements
NOTICE
Fan must be used
In this type of operation you always have to use a fan.
See the table below for the maximum ambient temperature at which you can run the motor
starter when operating it with a power bus (24 V DC) in accordance with UL/CSA
requirements:
Set operational
current I
e
Direct-on-line starter, reversing starter
Horizontal mounting position
Vertical mounting position
Ambient temperature
1 A
Up to max. 60 °C
Up to max. 50 °C
3 A
Up to max. 60 °C
Up to max. 50 °C
5 A
Up to max. 60 °C
Up to max. 50 °C
> 5 A
Up to max. 50 °C
Up to max. 50 °C
> 9 A
Up to max. 45 °C
1)
Up to max. 45 °C
1)
1) Fans are included in the scope of supply