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3RW3018-1BB14
Siemens 3RW3018-1BB14 Soft Starter

 
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Siemens 3RW3018-1BB14 17 AMP, 3 H.P. @ 230 volt / 10 H.P @ 460 volt Soft Starter with a 110-230 volt control voltage, screw terminals and can be mounted on standard 35mm DIN rail. These 3RW3 Sirius Soft Starters are for use in three phase asynchronous motors in such applications as heat pumps, hydraulic pumps, presses and conveyors.

3RW3018-1BB14 Datasheet
List Price: $637.00
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Product Code: 3RW3018-1BB14
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Description Detailed Specifications
 
The SIRIUS Siemens 3RW3018-1BB14 soft starters reduce the motor voltage through variable phase control and increase it in ramp-like mode from a selectable starting voltage up to mains voltage. During starting, these devices limit the torque as well as the current and prevent the shocks which arise during direct starts or wye-delta starts. In this way, mechanical loads and mains voltage dips can be reliably reduced.

Soft starting reduces the stress on the connected equipment and results in lower wear and therefore longer periods of trouble free production. The selectable start value means that the soft starters can be adjusted individually to the requirements of the application in question and unlike wye-delta starters are not restricted to two-stage starting with fixed voltage ratios.

The SIRIUS Siemens 3RW3018-1BB14 soft starters are characterized above all by their small space requirements. Integrated bypass contacts mean that minimal power loss is used at the power semiconductors (thyristors) after the motor has started up. This cuts down on heat losses, enabling a more compact design and making external bypass circuits superfluous.