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2.5 Layout of devices with I
= 9 A
e
When using devices with a rated operational current I
permissible thermal continuous current I
and the ambient temperature. See diagram below.
Moreover, the maximum permissible current of 56 A must not be exceeded,
even in startup.
I
[A]
L
9
8
7
6
5
4
3
2
1
0
0
10
20
30
Figure 8: Thermal continuous current I
a When mounting the devices with a minimum distance of 20 mm
b With devices in a row
The maximum current during startup of the motor is derived by multiplying
the motor rated current with the "startup factor", which with standard asyn-
chronous motors is usually between 6 and 10.
Contact the motor manufacturer to establish the actual value.
EMS2 devices with a rated operational current I
operated at temperatures up to 60 °C without restriction.
EMS2... Electronic motor starter 10/19 MN034003EN www.eaton.com
2.5 Layout of devices with I
depends on the type of mounting
L
①
②
T
[°C]
A
40
50
60
according to ambient temperature
L
2 Motor starters
of 9 A, note that the
e
of 2.4 A or 3 A can be
e
= 9 A
e
17
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