3RW44 for High-Feature applications

Siemens

Thanks to its outstanding functions, the SIRIUS 3RW44 all-round talent handles difficult start-up and deceleration processes in a simple and, above all, gentle manner. With its innovative torque control system, it can be used for drives with a power output up to 710 kW at 400 V – respectively 950 hp at 460 V – in an inline circuit or up to 1200 kW at 400 V – respectively 1700 hp at 460 V – in an inside-delta circuit. Designed for simple handling, the functions are exceptionally easy to use. SIRIUS 3RW soft starters can be used in all sectors worldwide where soft starting without speed control is required.


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Advantages at a glance

  • Optimum acceleration due to torque control

  • Simple and fast commissioning thanks to user-friendly display

  • Savings in size and costs due to optional inside-delta circuit

  • Simple integration in higher-level control units via PROFIBUS

SIRIUS soft starters now speak PROFINET:

  • Line and ring bus topology thanks to an integrated switch

  • Media redundancy through MRP- Thanks to the redundant design, plant and machine availability are considerably enhanced. This is because the failure of individual devices no longer influences communication.

  • Interval function and measured values for energy management via PROFIenergy

  • NTP-synchronized time

  • Module replacement without PC

  • Comprehensive diagnostics and error alarms

  • OPC UA server function for open communication with visualization and control systems

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