The Siemens 3RW4028-1BB14 soft starter is designed for motor power applications of 18.5 kW at 400 V and 11 kW at 230 V. With a nominal current of 38 A, it operates efficiently within the 200 V to 480 V range. Typically used for reducing the mechanical strain on motors during startup, this soft starter is ideal for pumps, fans, and conveyor systems.
Type |
Soft starter |
Connection |
Screws |
Depth |
155mm |
Dim |
(W x H x D) 45 x 125 x 155 mm |
Height |
125mm |
Manufacturer part # |
3RW40281BB14 |
Max. temperature |
+60°C |
Min. temperature |
-25°C |
Misc Attribute |
3RW4028-1BB14 |
Motor power at 230 V |
11kW |
Motor power at 400 V |
18.5kW |
Nominal current |
38A |
Nominal current - rounded value |
38A |
Width |
45mm |
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