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SIEMENS 3RW5544-6HA14

  • Payment: T/T and Western Union
  • product origin:Germany
  • shipping port: XIAMEN
  • Lead Time: 3-5 days

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SIRIUS 3RW55 Soft Starter 400kW, 690V AC

Product Description

The SIRIUS 3RW5544-6HA14 is a high-performance soft starter from Siemens, designed for heavy-duty industrial applications. It provides smooth, controlled acceleration and deceleration for three-phase AC motors up to 400 kW at 690V, significantly reducing mechanical stress and current inrush. This ensures longer lifespan for your motors and connected machinery.

Its rugged design is built for reliability in harsh environments, featuring a high degree of immunity to interference. Key functions include integrated motor and overload protection, a built-in bypass contactor for energy efficiency, and a clear LED status display. The 3RW55 series is the ideal, cost-effective solution for conveyor systems, pumps, fans, and compressors, offering simplicity and robustness without the complexity of a full drive.


Product Data Attributes Table

Attribute Category Specification
Article Number 3RW5544-6HA14
Product Line SIRIUS 3RW55
Type Soft Starter
Rated Operational Voltage 690 V AC
Rated Operational Power 400 kW @ 400V
500 kW @ 500V
660 kW @ 690V
Rated Operational Current 725 A
Max. Ambient Temperature +60 °C
Mounting Type Fixed Mounting
Enclosure Rating IP00 (Must be installed in a control cabinet)
Control Supply Voltage 100…250 V AC/DC
Integrated Bypass Yes
Integrated Motor Protection Yes (Class 10)
Communication Options PROFIBUS DP (via optional communication module)
Dimensions (W x H x D) 215 x 270 x 137.5 mm
Weight Approx. 7.5 kg
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