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
3RW4028-1BB04
Siemens 3RW4028-1BB04 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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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.
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 3RW4028-1BB04 is a high-quality soft starter designed for efficient and reliable operation. This part is engineered to provide a smooth start and stop to your machinery, reducing mechanical stress and extending the lifespan of your equipment. With a voltage range of 200 to 480 V AC and a 3-phase operation, it is suitable for a wide variety of industrial applications. The 3RW4028-1BB04 also features an integrated bypass contact system and thyristors for enhanced performance. Its intrinsic device protection and motor overload protection ensure safe operation, while the external reset and adjustable current limitation offer added convenience. This Siemens soft starter is part of the SIRIUS product line, known for its robustness and reliability. It's the perfect choice for businesses looking to optimise their operations and improve the longevity of their machinery.
| Specification | Description |
|---|---|
| Part Number | 3RW4028-1BB04 |
| Alternative Part Number | 3RW40281BB04 |
| Manufacturer | Siemens |
| Category | Soft Starts |
| Description | The Siemens 3RW4028-1BB04 is a Soft Starter designed for efficient and reliable operation. It operates at a voltage range of 200 to 480 V ac, making it suitable for a wide range of industrial applications. This 3-phase Soft Starter is part of Siemens' renowned SIRIUS product line, known for its high-quality and durable components. |
| Operating Current at 40°C | 38 A |
| Operating Current at 50°C | 34 A |
| Operating Current at 60°C | 31 A |
| Mechanical Power Output at 230V | 11 kW |
| Mechanical Power Output at 400V | 18.5 kW |
| Control Supply Voltage | AC/DC 24V |
| Operating Frequency | 50 to 60 Hz |
| Operating Voltage | 200 to 480 V AC |
| Ambient Temperature during Operation | -25 to +60 °C |
| Protection Class | IP20 |
| Country of Origin | Not specified |
| Commodity Code | 85371098 |
What is the main function of this soft starter?
The Siemens 3RW4028-1BB04 is a soft starter designed to control the acceleration and deceleration of three-phase motors. It helps to reduce mechanical stress on the motor and the power supply network during startup.
What voltage does this soft starter operate at?
This soft starter operates at a voltage range of 200 to 480 V AC.
What is the significance of the integrated bypass contact system in this soft starter?
The integrated bypass contact system in the Siemens 3RW4028-1BB04 soft starter helps to reduce heat generation once the motor is up to full speed. This leads to energy efficiency and extends the lifespan of the device.
Does this soft starter offer motor overload protection?
Yes, the Siemens 3RW4028-1BB04 soft starter provides motor overload protection. This feature helps to prevent damage to the motor due to excessive current or heat.
Can the current limitation be adjusted in this soft starter?
Yes, the Siemens 3RW4028-1BB04 soft starter allows for adjustable current limitation. This feature provides flexibility in controlling the maximum current supplied to the motor during startup.
What is the ambient operating temperature range for this soft starter?
The Siemens 3RW4028-1BB04 soft starter can operate in an ambient temperature range of -25 to +60 degrees Celsius.
What is the protection class of this soft starter?
The Siemens 3RW4028-1BB04 soft starter has a protection class of IP20. This means it is protected against solid objects larger than 12.5mm but is not protected against liquids.
What is the yielded mechanical performance for this soft starter?
At 220/230 V, the Siemens 3RW4028-1BB04 soft starter can yield a mechanical performance of 10 hp. At 460/480 V, it can yield a mechanical performance of 25 hp.
- Starting and stopping of three-phase AC motors in industrial applications
- Protection of motors from overload and potential damage
- Use in control panels for smooth operation of machinery
- Regulation of motor speed in conveyor systems
- Control of pump start and stop sequences in water treatment plants
- Management of fan speeds in HVAC systems
- Soft starting of compressors in manufacturing facilities
- Ensuring smooth operation of crushers and mills in mining industry
- Control of escalators and elevators in commercial buildings
- Use in textile industry for controlling spinning and weaving machines
- Regulation of motor speed in food processing equipment
- Use in plastic and rubber industry for controlling extruders and mixers.
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
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- Premium nine hour delivery service available to anywhere in Europe
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Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
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Customer reviews
steve
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
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
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
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
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
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