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3RW4073-6BB44

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The Siemens 3RW4073-6BB44 is a robust SIRIUS soft starter designed for industrial motor control applications. With a rated operating current of 230 A and suitable for motors up to 132 kW at 400 V, it ensures smooth motor startups by limiting inrush current and reducing mechanical wear. This soft starter features advanced integrated functions such as adjustable current limitation and intrinsic device protection, providing reliable performance in demanding automation environments. Its compact dimensions and screw terminal design facilitate straightforward installation and maintenance. Ideal for enhancing system uptime, the Siemens 3RW4073-6BB44 delivers efficient, secure motor control in production line settings and other industrial applications.

Key Features of Siemens 3RW4073-6BB44

  • Rated operating current of 230 A with soft starting capability up to 132 kW/400 V motors
  • Integrated bridging contact system for efficient circuit connection
  • Thyristor-based design providing smooth motor startup and current limiting
  • Intrinsic device protection including motor overload protection
  • Adjustable current limitation helps to prevent mechanical stress on motors
  • Reset external function enables quick recovery and control flexibility
  • Screw terminal connection for easy and secure wiring
  • Compact design with dimensions approximately 13.27" length × 12.49" width × 8.43" height
  • Suitable for mounting in various positions with optional additional fan for cooling

Technical Specs of 3RW4073-6BB44

Explore Siemens 3RW4073-6BB44 specifications for detailed parameters before installation.

Parameter Value
Operating Current 230 A
Motor Power Rating 132 kW at 400 V
Voltage Range 200-460 V AC
Control Voltage 230 V AC
Dimensions (L×W×H) 13.27" x 12.49" x 8.43"
Weight 15.4 lbs

Applications / Use Case

This Siemens 3RW4073-6BB44 is commonly used in machine automation, process control, and production line systems worldwide. It excels in settings requiring soft starting to reduce electrical and mechanical stress on motors, enhancing equipment life and reducing maintenance costs. Typical use cases include conveyor operations, factory control panels, and other industrial automation applications where reliable motor start/stop operation is critical.

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3RW4073-6BB44

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

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