3RW55 soft starter
Digit of the article number 1st-4th 5th 6th 7th 8th 9th 10th 11th 12th
SIRIUS 3RW soft starter 3RW5 5 H A x***
1)
Size of the 3RW55 soft starter x*
1)
Rated operational current I
e
of the 3RW55 soft starter x**
1)
Connection system
• Applies to sizes 1 / 2
• Main circuit: Screw terminals
• Control circuit: Screw terminals
1
• Applies to sizes 3 / 4 / 5
• Main circuit: Bus connection
• Control circuit: Spring-loaded terminals
2
• Applies to sizes 1 / 2
• Main circuit: Screw terminals
• Control circuit: Spring-loaded terminals
3
• Applies to sizes 3 / 4 / 5
• Main circuit: Bus connection
• Control circuit: Screw terminals
6
Rated control supply voltage U
s
2)
24 V AC/DC 0
110 - 250 V AC 1
Rated operational voltage U
e
200 - 480 V AC 4
200 - 600 V AC 5
200 - 690 V AC 6
1)
Explanation in the following table.
2)
When rating the control supply voltage, pay attention to the maximum starting current when closing the bypass contacts;
details can be found in the technical data.
The following table shows the size and rated operational current I
e
for U
e
= 400 V and TU = 40 °C
in a standard (inline) circuit:
Size Rated operational current I
e
of
the 3RW55 soft starter
Rated operating power P
e
of the
3RW55 soft starter
x* x** x***
Size 1 I
e
= 13 A P
e
= 5.5 kW 1 3 4 / 5
I
e
= 18 A P
e
= 7.5 kW 1 4
I
e
= 25 A P
e
= 11 kW 1 5
I
e
= 32 A P
e
= 15 kW 1 6
I
e
= 38 A P
e
= 18.5 kW 1 7
Description
3.10 Structure of the article number
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006 45