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Siemens 3RW4026-1BB04

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3RW4026-1BB04
3RW4026-1BB04

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Marvo Stock ID MV-221L
HS Code 85371098
SKU 3RW4026-1BB04
Condition New sealed
Category Soft Starts
Warranty 12 months
Weight (kg) 1.00
Length (mm) 320.00
Width (mm) 250.00
Height (mm) 250.00

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Specification & Description

Specification Description
Part Number 3RW4026-1BB04
Alternative Part Number 3RW40261BB04
Manufacturer Siemens
Category Soft Starts
Rated Operational Current At 40 °C: 25 A
At 50 °C: 23 A
At 60 °C: 21 A
Power at 400 V 11 kW
Power at 230 V 5.5 kW
Power (hp) at 200/208 V 5 hp
Operating Frequency 50 … 60 Hz
Operating Voltage 200 … 480 V
Control Voltage AC/DC 24 V
Control Circuit Frequency 50 Hz / 60 Hz
Adjustable Rated Motor Current Minimum: 10 A
Continuous Operating Current 115% of Ie at 40°C
Power Loss Typical: 8 W at operating current and 40°C during operation
Mounting Screw and snap fitting
Dimensions Width: 45 mm
Height: 125 mm
Depth: 155 mm
Number of Poles 3 for main circuit
Electrical Connection Screw terminals for main and control circuits
Product Designation Soft starter for standard applications

The Siemens 3RW4026-1BB04 soft starter is a compact and reliable solution designed to optimise the start-up phase of electric motors. Engineered for efficiency, this soft starter smoothly ramps up the power supply to the motor, reducing mechanical stress and enhancing the longevity of your motor systems. With a rated operational current of 25 A and the capability to manage 3-phase motors up to 11 kW at 400 V in a standard circuit, it is an ideal choice for a wide range of industrial applications.

This soft starter features an integrated bypass contact system and thyristors, ensuring a seamless transition from start-up to run mode. It also boasts intrinsic device protection and motor overload protection, safeguarding your equipment against potential damage caused by electrical anomalies. The unit allows for external reset and has an adjustable current limitation feature, providing greater control over motor start-up parameters.

The 3RW4026-1BB04 operates within a frequency range of 50 to 60 Hz and can handle operating voltages from 200 to 480 V in a standard circuit, making it versatile for various power networks. Its compact design, with a width of 45 mm, height of 125 mm, and depth of 155 mm, allows for easy integration into existing setups without requiring significant space.

This soft starter is a testament to Siemens' commitment to quality and innovation, offering a blend of performance, durability, and ease of use for industrial motor control applications.

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.

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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.

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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.

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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.

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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.

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Frequently Asked Questions

What is the purpose of a soft starter?

A soft starter is designed to reduce the inrush current and torque of electric motors during startup. This helps in reducing mechanical stress on the motor and the electrodynamic stresses on the power cables and electrical distribution network, leading to a smoother and more gradual start.

Can this soft starter be used with three-phase motors?

Yes, the Siemens 3RW4026-1BB04 soft starter is suitable for use with three-phase motors, providing efficient control and protection during the start-up phase.

What are the voltage requirements for this soft starter?

The soft starter operates within a voltage range of 200 to 480 V AC, making it versatile for various industrial applications.

Is there an integrated bypass contact system in this soft starter?

Yes, the Siemens 3RW4026-1BB04 comes with an integrated bypass contact system, which helps to reduce power loss and heat generation once the motor reaches full speed.

What kind of protection does the soft starter provide?

The soft starter provides intrinsic device protection and motor overload protection, ensuring both the starter and the motor are safeguarded against potential damage caused by electrical faults.

How can I adjust the current limitation on this soft starter?

The Siemens 3RW4026-1BB04 soft starter features adjustable current limitation, which can be set according to the specific starting requirements of your motor to ensure optimal performance.

What is the rated operational current of this soft starter?

The rated operational current for the soft starter at 40°C is 25 A, which determines the maximum current the device can handle during operation.

What are the dimensions of the soft starter?

The soft starter has a width of 45 mm, a height of 125 mm, and a depth of 155 mm, making it compact and suitable for installation in various control cabinets and setups.

Does the soft starter have any certifications?

The soft starter has general product approvals and certifications that confirm its compliance with international standards, ensuring reliability and safety in its intended applications.

What type of terminals does the soft starter have for wiring?

The Siemens 3RW4026-1BB04 soft starter is equipped with screw terminals, which provide a secure and reliable connection for both the power and control wiring.

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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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