3RW4055-6BB44

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Overview of Siemens 3RW4055-6BB44

Buy genuine Siemens 3RW4055-6BB44 online for your automation system. The Siemens 3RW4055-6BB44 is a robust SIRIUS S6 soft starter designed for reliable, energy-efficient motor control in demanding industrial environments. With a rated current of 134 A and supporting motors up to 75 kW at 400 V, this soft starter is engineered for smooth acceleration and deceleration, reducing mechanical stress and extending the lifespan of motors and connected equipment. It features an integrated bypass contact system, adjustable current limitation, and motor overload protection, making it an ideal choice for factory automation, production lines, and process control applications worldwide. With screw terminals for easy installation and compatibility with 200–460 V AC (control voltage 230 V AC), the Siemens 3RW4055-6BB44 delivers factory-grade performance and peace of mind for critical operations.

Key Features of Siemens 3RW4055-6BB44

  • Rated current: 134 A
  • Maximum motor power: 75 kW at 400 V
  • Control voltage: 230 V AC/DC
  • Operating voltage: 200–460 V AC (for flexible application)
  • Integrated bypass contact system for reduced heat and energy loss
  • Adjustable current limitation for optimized motor protection
  • Motor overload and device protection (intrinsic)
  • External reset capability
  • Deceleration time: 0–20 seconds for controlled stopping
  • Compact dimensions: 45 x 125 x 149 mm (W x H x D)

Technical Specs of Siemens 3RW4055-6BB44

Refer to Siemens 3RW4055-6BB44 specifications for detailed parameters before installation.

Parameter Value
Rated Current 134 A
Motor Power (400 V) 75 kW
Control Voltage 230 V AC/DC
Operating Voltage 200–460 V AC
Deceleration Time 0–20 s
Dimensions 45 x 125 x 149 mm (W x H x D)

Applications / Use Case

This Siemens 3RW4055-6BB44 is commonly used in industrial automation worldwide. It is ideal for applications requiring smooth motor starts and stops, such as conveyor systems, packaging lines, pumps, fans, and compressors. Its robust design and advanced protection features make it a reliable choice for factory control panels and process control systems, ensuring minimal downtime and maximum productivity. Review the Siemens 3RW4055-6BB44 datasheet for system compatibility and integration details.

Price & Availability

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3RW4055-6BB44

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Does it come with a warranty?

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

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All products sold are New & Unused.

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

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