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3RW5077-6TB04

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Regular price $3,260.63
Sale price $3,260.63 Regular price


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The Siemens 3RW5077-6TB04 is an industrial-grade SIRIUS soft starter designed for reliable motor starting and protection in demanding automation environments. This model supports a wide voltage range from 200 to 480 V AC and offers a high current rating of 570 A, making it suitable for heavy-duty motors up to 355 kW. Manufactured in the Czech Republic, the 3RW5077-6TB04 features screw terminals and includes thermistor input functionality, enhancing motor temperature monitoring for improved system longevity and safety. Its compact and energy-efficient design aligns with Siemens’ commitment to innovative, sustainable industrial automation solutions. This soft starter combines robust performance with precise control, ensuring smooth motor acceleration and deceleration to reduce mechanical stress and electrical wear.

Key Features of Siemens 3RW5077-6TB04

  • Soft starter for motors rated up to 355 kW for versatile industrial applications
  • Voltage compatibility from 200 to 480 V AC across three phases
  • High current capacity of 570 A supports large motor loads
  • 24 V AC/DC rated control supply voltage with screw terminal connections
  • Thermistor input for motor temperature monitoring to prevent overheating
  • Compact design promotes energy savings and space efficiency
  • IP00 protection rating suitable for installation in motor control centers
  • Part of the SIRIUS 3RW50 series, known for robustness and reliability
  • Manufactured under strict quality standards in the Czech Republic

Explore Siemens 3RW5077-6TB04 specifications for detailed parameters

Specification Details
Model 3RW5077-6TB04
Brand Siemens
Function Soft Starter
Power Rating 355 kW
Voltage Range 200 - 480 V AC
Current Rating 570 A
Control Voltage 24 V AC/DC
Connection Type Screw Terminals
IP Rating IP00
Series SIRIUS 3RW50
Country of Origin Czech Republic

Applications / Use Case

This Siemens 3RW5077-6TB04 soft starter is commonly used in industrial automation environments worldwide. It is ideal for process control, machine automation, production line systems, and factory control panels where precise motor starting and stopping are critical. Its robust design and thermistor input help protect motors in heavy-duty applications such as conveyor belts, packaging machinery, and motion control setups, enhancing operational reliability and reducing downtime. The device supports efficient energy use and mitigates mechanical wear, making it suitable for integration into advanced automation setups requiring advanced motor management and energy-saving capabilities.

Price & Availability

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3RW5077-6TB04

$3,260.63

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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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