3RW4076-6BB44

Siemens 3RW4076-6BB44 available at EU Automation. Get in touch today for a quick price.

Trustpilot stars Based on over 4900 reviews

Full 12-month warranty

Available for dispatch immediately

We deliver worldwide

Get a quick price for 3RW4076-6BB44

Quantity

Adding another part to your enquiry?

For more information on how your data is processed and stored by EU Automation please read our privacy policy.

All orders are subject to product availability. See our T&Cs.

Ask our team

What happens next?

1. Email confirmation

You will get an email confirming that we have received your enquiry.

2. Dedicated Account Manager

One of our team will be in touch to confirm your part(s) specification and condition.

3. Your quote

You will receive a comprehensive quote tailored to your specific needs.

The Siemens 3RW4076-6BB44 is a high-performance soft starter designed for three-phase motors, offering a robust solution for industrial applications. This SIRIUS soft starter is capable of handling up to 250 kW at 400 V, making it ideal for heavy-duty operations. It operates within a voltage range of 200 to 460 V AC and features a rated current of 432 A, ensuring reliable performance under demanding conditions.

Engineered with advanced features, the 3RW4076-6BB44 includes an integrated bypass contact system and thyristors, which enhance its efficiency and longevity. The device also provides motor overload protection and adjustable current limiting, allowing for precise control and safeguarding of your equipment. The soft starter is equipped with screw terminals for secure and straightforward electrical connections.

Measuring 230 mm in height, 160 mm in width, and 278 mm in depth, this compact unit is designed for easy installation and space-saving in control panels. It supports various mounting positions, including vertical and horizontal orientations, with or without an additional fan, offering flexibility in diverse installation environments.

The Siemens 3RW4076-6BB44 is a phased-out product, with a successor available for those seeking the latest technology. However, it remains a reliable choice for existing systems requiring a robust and efficient soft starter solution.
Specification Description
Part Number 3RW4076-6BB44
Manufacturer Siemens
Product Name SIRIUS Soft Starter
Phase 3 Phase
Power Rating 250 kW
Voltage Range 200 to 460 V AC / 230 V AC
Current Rating 432 A
Dimensions (W x H x D) 230 x 160 x 278 mm
Mounting Type Screw terminals
Operating Temperature Up to 40°C
Integrated Bridging Contact System Yes
Thyristors Yes
Device Protection Yes
Motor Overload Protection Yes
Adjustable Current Limitation Yes
Auxiliary Contacts 2 NO, 1 Changeover
Cable Cross-Section (Main Contacts) 70-240 mm² (front), 120-185 mm² (rear), 2x 50-185 mm² (both)
Maximum Installation Altitude 5000 m
Maximum Cable Length 300 m
Frequency 50-60 Hz
Control Voltage 230 V AC
Control Voltage Tolerance -15% to +10%
Error Signal Indicator Red

The Siemens 3RW4076-6BB44 is a robust SIRIUS soft starter designed for three-phase motors, offering a power rating of 250 kW and a current rating of 432 A. It operates within a voltage range of 200 to 460 V AC and is equipped with essential features such as integrated bridging contact systems, thyristors, and adjustable current limitation. This soft starter ensures reliable motor overload protection and device protection, making it suitable for various industrial applications. The unit is compact with dimensions of 230 x 160 x 278 mm and supports screw terminal mounting. It is designed to operate efficiently at temperatures up to 40°C and can be installed at altitudes up to 5000 meters.

What is the power rating of this soft starter?

The Siemens 3RW4076-6BB44 soft starter has a power rating of 250 kW at 400 V.

What is the operating voltage range for this soft starter?

The operating voltage range for the Siemens 3RW4076-6BB44 is 200 to 460 V AC.

How many phases does this soft starter support?

This soft starter supports 3-phase applications.

What is the maximum current rating for this soft starter?

The maximum current rating for the Siemens 3RW4076-6BB44 is 432 A.

What are the dimensions of this soft starter?

The dimensions of the Siemens 3RW4076-6BB44 are 230 mm in height, 160 mm in width, and 278 mm in depth.

What type of terminals does this soft starter use?

The Siemens 3RW4076-6BB44 uses screw terminals for electrical connections.

Is this soft starter suitable for high-altitude installations?

Yes, the Siemens 3RW4076-6BB44 can be installed at altitudes up to 5,000 meters above sea level.

Does this soft starter include motor overload protection?

Yes, the Siemens 3RW4076-6BB44 includes motor overload protection.

Can this soft starter be mounted in different positions?

Yes, with an additional fan, it can be rotated +/- 90° and tilted +/- 22.5°; without an additional fan, it can be rotated +/- 10° and tilted +/- 10°.

What is the maximum cable length supported by this soft starter?

The maximum cable length supported by the Siemens 3RW4076-6BB44 is 300 meters.

  • Industrial motor control
  • Conveyor systems
  • Pump systems
  • HVAC systems
  • Fan and blower applications
  • Compressors
  • Material handling equipment
  • Water treatment facilities
  • Mining operations
  • Manufacturing automation systems

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

Delivery

  • Logistic partners UPS, FedEx and DHL
  • International delivery available
  • Premium nine hour delivery service available to anywhere in Europe
  • Same day dispatch from group stock

Warranty

All parts new or reconditioned are covered by EU Automation 12 month warranty

Returns

No hassle returns policy

Dedicated customer support team

Trade Credit

We understand that credit is a necessary part of business and offer credit agreements on request, subject to status.

Payment options

We accept Bank transfers and the following methods of payment:

All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.

Services

Sourcing your part

Global supplier of quality automation and control components

Service Exchange

Dispose of your old unit by exchanging it for a working part.

Repair

A comprehensive repair service for faulty equipment.

Customer reviews

5 out of 5 stars steve

Got hold of Sime for a Carrier card for…


Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime

3 weeks ago

5 out of 5 stars Daniel

Excellent customer service...


Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.

2 months ago

5 out of 5 stars Jerry Schrink

Tom Higgins provided amazing service


Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!

2 months ago

5 out of 5 stars Paulo Pereira

Excellent service and communication…


Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!

2 months ago

5 out of 5 stars Gary

Tom Higgins did a great job at getting…


Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.

3 months ago

5 out of 5 stars Lessle Smith

Thomas Higgins has gone above and…


Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!

4 months ago

Factory worker carrying automation parts box.

Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.

Discover how we do our part to keep your production lines moving.

FAQs

View all FAQs

We're here when you need us