The Siemens 3RW4037-1BB14 soft starter is designed for motor power of 30 kW at 400 V and handles a nominal current of 63 A at 480 V. Ideal for gradual motor start-up, it reduces mechanical wear and prevents electrical surges. It is commonly used in industrial and manufacturing settings to enhance motor longevity and efficiency.
Type |
Soft starter |
Degree of protection (IP) |
IP00 |
Depth |
170mm |
Dim |
(W x H x D) 55 x 160 x 170 mm |
Function |
Single direction |
Height |
160mm |
Integrated motor overload protection |
TRUE |
Manufacturer part # |
3RW40371BB14 |
Max. temperature |
+60°C |
Min. temperature |
-25°C |
Misc Attribute 1 |
Screw connector |
Misc Attribute 2 |
3RW4037-1BB14 |
Motor power at 400 V |
30kW |
Nominal current |
63A |
Nominal current - rounded value |
63A |
Nominal voltage |
480V |
Rated operation current Ie at 40 °C Tu |
63A |
Rated power three-phase motor, inline, at 230 V |
18.5kW |
Rated power three-phase motor, inline, at 400 V |
30kW |
Rated surrounding temperature without derating |
40°C |
Release class |
Other |
Voltage type for actuating |
AC/DC |
Weight |
1.31 |
Width |
55mm |
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