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Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
| 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 |
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.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
Read more...What payment methods do you accept?
We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.
Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
Read more...How do I create an account?
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Read more...Peace of mind with every purchase
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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.
Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.
Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
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.
Part conditions explained
We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:
New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
