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3RW4028-1TB04

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Regular price $864.76
Sale price $864.76 Regular price


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Overview of Siemens 3RW4028-1TB04

Buy genuine Siemens 3RW4028-1TB04 online for your automation system. The Siemens 3RW4028-1TB04 is a SIRIUS soft starter designed for smooth motor startup by limiting inrush current and reducing mechanical stress. Rated at 38 A and suitable for motors up to 18.5 kW at 400 V, this soft starter supports a wide input voltage range of 200-480 V AC and features 24 V AC/DC control voltage compatibility. Its screw terminal design simplifies installation, while integrated thermistor motor protection ensures reliable operation and motor longevity. Ideal for industrial environments, the 3RW4028-1TB04 offers efficient and safe motor control to optimize performance and reduce downtime.

Key Features of Siemens 3RW4028-1TB04

  • Soft starter with rated operational current of 38 A
  • Supports motor power up to 18.5 kW at 400 V
  • Wide AC voltage range: 200-480 V for flexible applications
  • Compatible with 24 V AC/DC control voltage for versatile control options
  • Screw terminal connections for secure and straightforward wiring
  • Integrated bypass contact system for energy efficiency during full motor speed
  • Motor protection via thermistor input to prevent overheating
  • Compact design suitable for industrial automation panels
  • Reliable soft start to reduce mechanical and electrical stress on motors

Technical Specs of 3RW4028-1TB04

Explore Siemens 3RW4028-1TB04 specifications for detailed parameters before installation.

Parameter Value
Rated operational current (Ie) 38 A
Motor power (400 V) 18.5 kW
Control supply voltage 24 V AC/DC
Voltage range 200-480 V AC
Operating temperature Up to 40 °C
Connection type Screw terminals
Protection feature Thermistor motor protection
Power loss (typical) 19 W

Applications / Use Case

This Siemens 3RW4028-1TB04 is commonly used in industrial automation worldwide. Its precise motor control capabilities make it ideal for production line systems requiring smooth start/stop functions, reducing equipment wear and energy spikes. Typical applications include conveyor systems, factory control panels, and process control where controlled acceleration and protection of motors are critical. It enhances machine uptime by guarding motors against overheating and electrical faults, supporting optimal operational efficiency in various manufacturing and automation setups.

Price & Availability

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3RW4028-1TB04

$864.76

  • ACHIEVING

    4.0

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  • With

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  • LESS THAN

    1%

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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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