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3RW55 Failsafe soft starter
Digit of the article number
SIRIUS 3RW soft starter
Size of the 3RW55 Failsafe soft starter
Rated operational current I
Connection system
Rated control supply voltage U
Rated operational voltage U
Explanation in the following table.
1)
When rating the control supply voltage, pay attention to the maximum starting current when closing the bypass contacts;
2)
details can be found in the technical data.
The following table shows the size and rated operational current I
in a standard (inline) circuit:
Size
Rated operational current I
the 3RW55 Failsafe soft starter
Size 1
I
= 13 A
e
I
= 18 A
e
I
= 25 A
e
I
= 32 A
e
I
= 38 A
e
Size 2
I
= 47 A
e
I
= 63 A
e
I
= 77 A
e
I
= 93 A
e
Size 3
I
= 113 A
e
I
= 143 A
e
I
= 171 A
e
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
1st-4th
3RW5
of the 3RW55 Failsafe soft starter
e
•
Applies to sizes 1/2
•
Main circuit: Screw terminals
•
Control circuit: Screw terminals
•
Applies to sizes 3/4
•
Main circuit: Bus connection
•
Control circuit: Spring-loaded terminals
•
Applies to sizes 1/2
•
Main circuit: Screw terminals
•
Control circuit: Spring-loaded terminals
•
Applies to sizes 3/4
•
Main circuit: Bus connection
•
Control circuit: Screw terminals
2)
s
e
of
e
5th
6th
7th
5
x*
1)
x**
1)
Rated operating power P
Failsafe soft starter
P
= 5.5 kW
e
P
= 7.5 kW
e
P
= 11 kW
e
P
= 15 kW
e
P
= 18.5 kW
e
P
= 22 kW
e
P
= 30 kW
e
P
= 37 kW
e
P
= 45 kW
e
P
= 55 kW
e
P
= 75 kW
e
P
= 90 kW
e
3.10 Structure of the article number
8th
9th
10th
H
F
1
2
3
6
24 V AC/DC
110 - 250 V AC
200 - 480 V AC
for U
= 400 V and TU = 40 °C
e
e
of the 3RW55
x*
e
1
1
1
1
1
2
2
2
2
3
3
3
Description
11th
12th
0
1
4
x**
3
4
5
6
7
4
5
6
7
4
5
6
47
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