3RW4434-6BC45

Siemens SIRIUS 3RW4434-6BC45 Soft Starter | Shop On Ebay
Factory New Parts : Warranty 12 Months​
Refurbished Parts : Warranty 3-6 Months​
Tested & Certified | Ships Worldwide​
Technical / Legacy System Support​
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Description

Important Note:​ This product is officially phased out. The recommended successor is SIRIUS 3RW5 series, with preferred replacement model >>3RW5534-6HA16<<.
The Siemens SIRIUS 3RW4434-6BC45 is a phased-out soft starter designed for smooth motor acceleration and deceleration. Rated for 400-600V AC main voltage and 230V AC control voltage, this unit provides standard operation of 113A at 500V/40°C, equivalent to 75kW motor power. In inside-delta configuration, it supports 196A/132kW applications. Featuring screw terminals for secure connections, this soft starter reduces mechanical stress on motors and mechanical components during start/stop cycles. This unit is available only as a legacy spare part for maintaining existing installations where direct replacement with the 3RW5 successor series is not feasible.

Key Features

  • Phased-out product​ – SIRIUS 3RW44 soft starter
  • Voltage: 400-600V AC main, 230V AC control
  • Standard rating: 113A / 75kW at 500V, 40°C
  • Inside-delta rating: 196A / 132kW
  • Screw terminal connections
  • Smooth motor acceleration/deceleration
  • Successor: SIRIUS 3RW5 series
  • Preferred replacement: 3RW5534-6HA16
  • For legacy system maintenance only

Warranty & After-Sales

  • Limited availability as phased-out spare part
  • Technical support for system compatibility and migration
  • Legacy system integration assistance

Delivery Time

  • Subject to availability – please inquire

Why Choose Our Store

  • Genuine Siemens legacy motor control components
  • Global supply network for phased-out parts
  • Expertise in soft starter replacement and migration

Applications

  • Legacy soft starter system maintenance
  • Motor start/stop control in existing installations
  • Pump and fan motor control
  • Conveyor and material handling systems
  • Existing automation system support

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