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Siemens 3RW4055-6BB44

Name: 3RW4055-6BB44
Brand: Siemens
SKU: 3RW4055-6BB44
Price: 1178.22 GBP
Availability: OutOfStock

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Marvo Stock ID MV-1HC7

HS Code 85371098

SKU 3RW4055-6BB44

Warranty 12 months

Weight (kg) 4.00

Length (mm) 480.00

Width (mm) 320.00

Height (mm) 320.00

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More about this product

Specification & Description

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Commonly Asked Questions

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Customer Reviews

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Specification & Description

Specification	Description
Part Number	3RW4055-6BB44
Manufacturer	Siemens
Product Name	SIRIUS Soft Starter
Size	S6
Width	120 mm
Height	198 mm
Depth	250 mm
Mounting Type	Screw Mounting
Installation Position	Vertical with +/-90° rotation and +/- 22.5° tilt (with additional fan)
Operating Frequency	50 - 60 Hz
Operating Voltage	200 - 460 V AC
Control Voltage	230 V AC
Rated Current at 40°C	134 A
Rated Current at 50°C	117 A
Rated Current at 60°C	100 A
Motor Power at 230 V, 40°C	37,000 W
Motor Power at 400 V, 40°C	75,000 W
Motor Power (hp) at 200/208 V	30 hp
Auxiliary Contacts	2 Normally Open (NO), 1 Changeover
Main Circuit Connection	Rail Connection
Auxiliary and Control Connection	Screw Connection
Cable Length (max)	300 m
Poles (Main Circuit)	3
Altitude (max)	5,000 m above sea level

Introducing the Siemens 3RW4055-6BB44 SIRIUS Soft Starter, a reliable and efficient solution for smooth motor control in various industrial applications. This high-quality soft starter is designed to handle a wide range of motor sizes, with a rated current of 134 A at 40°C and a power capacity of 75 kW at 400 V.

The 3RW4055-6BB44 SIRIUS Soft Starter offers advanced features such as integrated bypass contact system, thyristor control, device self-protection, and adjustable current limiting. It also provides motor overload protection and supports external reset functionality. However, it does not include thermistor motor protection evaluation or delta connection capabilities.

With a compact design, the soft starter measures 120 mm in width, 198 mm in height, and 250 mm in depth. It can be easily installed with screw terminals and offers flexible mounting options, ensuring seamless integration into your existing system. The soft starter is compatible with a wide voltage range of 200-460 V AC and a control voltage of 230 V AC.

Upgrade your motor control system with the Siemens 3RW4055-6BB44 SIRIUS Soft Starter and experience enhanced performance, reduced energy consumption, and extended motor life. Trust in Siemens' expertise and quality for your industrial automation needs.

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.

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.

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.

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.

How do I create an account?

Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.

Peace of mind with every purchase

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Julien

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Learn more about Marvo

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 purpose of the Siemens SIRIUS soft starter?

The Siemens SIRIUS soft starter is designed to control the starting and stopping of three-phase asynchronous motors, providing smooth and controlled acceleration and deceleration. This helps reduce mechanical stress on the motor and connected equipment, extending their service life and reducing maintenance costs.

What are the key features of this soft starter?

The 3RW4055-6BB44 soft starter offers integrated bypass contact system, thyristors, device protection, motor overload protection, adjustable current limiting, and external reset functionality. It is suitable for standard applications and has a rated current of 134 A at 40°C.

What is the power range supported by this soft starter?

The 3RW4055-6BB44 soft starter supports a mechanical power range of 37 kW at 230 V and 75 kW at 400 V for three-phase motors at 40°C.

What is the operating voltage range for this soft starter?

The operating voltage range for the 3RW4055-6BB44 soft starter is 200-460 V AC.

What are the dimensions of this soft starter?

The dimensions of the 3RW4055-6BB44 soft starter are 120 mm in width, 198 mm in height, and 250 mm in depth.

What type of electrical connections does this soft starter have?

The 3RW4055-6BB44 soft starter features a rail connection for the main circuit and screw connections for auxiliary and control circuits.

Can this soft starter be used with motors that have a braking function?

No, the 3RW4055-6BB44 soft starter does not have an output for a motor braking function.

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.

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