3RW4074-2BB44

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Overview of Siemens 3RW4074-2BB44

Order genuine Siemens 3RW4074-2BB44 online today for your automation system. The Siemens 3RW4074-2BB44 is a high-performance SIRIUS soft starter designed for industrial applications requiring reliable motor control and protection. This model is engineered to deliver smooth motor starts and stops, reducing mechanical stress and electrical surges in demanding environments. With a rated current of 280 A and a power rating of 160 kW at 400 V, the 3RW4074-2BB44 is ideal for medium to large motors. Its robust construction and advanced overload protection features make it a trusted choice for process automation, manufacturing, and heavy-duty machinery. Whether you're upgrading your control panel or replacing an older unit, the Siemens 3RW4074-2BB44 offers proven reliability and seamless integration into modern automation systems.

Key Features of Siemens 3RW4074-2BB44

  • Rated for 280 A, 160 kW at 400 V for robust motor control
  • Operating voltage range: 200–460 V AC for flexible installation
  • Integrated overload protection for enhanced safety
  • Spring-type terminals for secure and easy wiring
  • Designed for vertical mounting with optional fan for improved cooling
  • Compatible with SIRIUS S12 soft starter systems
  • Supports bypass operation for energy efficiency
  • Wide temperature range for reliable operation up to 40 °C

Technical Specs of 3RW4074-2BB44

Explore Siemens 3RW4074-2BB44 specifications for detailed parameters before installation.

Parameter Value
Rated Current 280 A
Rated Power (400 V) 160 kW
Voltage Range 200–460 V AC
Control Voltage 230 V AC
Mounting Position Vertical, rotatable ±22.5°
Operating Temperature Up to 40 °C
Terminal Type Spring-type

Applications / Use Case

This Siemens 3RW4074-2BB44 is commonly used in industrial automation worldwide. It is ideal for controlling motors in production line systems, factory control panels, and heavy-duty machinery where smooth starting and stopping is critical. The soft starter helps reduce wear on mechanical components, extends motor life, and improves overall system efficiency. Its overload protection and bypass features make it suitable for applications in manufacturing, process control, and packaging operations.

Price & Availability

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Related Resources

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3RW4074-2BB44

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Does it come with a warranty?

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

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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