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Operation
10.1
Setting the current (rated operational current) and trip class
The 3RB24 solid-state overload relay is set to the rated operational current I
switches.
Upper rotary switch
The upper rotary switch (CLASS / I
relevant range must be selected depending on the rated operational current I
the current measuring module to be used with this. Within the selected range, the necessary trip
class must be determined (CLASS 5, CLASS 10, CLASS 20 or CLASS 30).
CLASS/I
Figure 10-1
Lower rotary switch
Using the lower rotary switch (% x I
operational voltage I
rotary switch (CLASS / I
15
10
100
Figure 10-2
SIRIUS 3RB24 electronic overload relay for IO-Link
Equipment Manual, 07/2022, NEB969165602000/RS-AA/003
MAX
30
20
10
10
20
5
30
5
30
20
10
10 5 30 20
Set CLASS and I
of the motor is set as a percentage of the range selected via the upper
e
).
MAX
20
30
40
50
60
70
80
% I
x
90
MAX
Setting the rated operational current I
) is divided into 4 ranges: 1 A, 10 A, 100 A and 1000 A. The
MAX
(e.g. CLASS 5 / 1 A)
MAX
) with percentage scale from 10 to 100%, the rated
MAX
of the motor (e.g. 90%)
e
10
with two rotary
e
of the motor and
e
81
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