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Siemens 3RW4026-1BB05

Name: 3RW4026-1BB05
Brand: Siemens
SKU: 3RW4026-1BB05
Price: 409.04 GBP
Availability: InStock

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£409.04 (ex. VAT)

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Image shown may not reflect the final product

Marvo Stock ID MV-7G5A

HS Code 85371098

SKU 3RW4026-1BB05

Condition New sealed

Warranty 12 months

Weight (kg) 1.00

Length (mm) 320.00

Width (mm) 250.00

Height (mm) 250.00

EAN 4011209691674

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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	3RW4026-1BB05
Manufacturer	Siemens
Product Type	SIRIUS Soft Starter
Series	S0
Operational Current at 40 °C	25 A
Operational Current at 50 °C	23 A
Operational Current at 60 °C	21 A
Mechanical Power Output at 400 V	11 kW
Mechanical Power Output at 500 V	15 kW
Operating Frequency	50 ... 60 Hz
Operating Voltage	400 ... 600 V AC
Control Supply Voltage	24 V AC/DC
Control Supply Voltage Frequency	50 Hz, 60 Hz
Insulation Voltage Rated Value	600 V
Degree of Pollution	3, according to IEC 60947-4-2
Reference Code	Q (according to EN 61346-2), G (according to DIN 40719 extended according to IEC 204-2)
Integrated Bypass Contact System	Yes
Thyristors	Yes
Intrinsic Device Protection	Yes
Motor Overload Protection	Yes
Adjustable Current Limitation	Yes
Size of Engine Control Device	S0
Width	45 mm
Height	125 mm
Depth	155 mm
Mounting Type	Screw and snap-on mounting
Mounting Position	Vertical +/-90° rotatable, +/- 22.5° tiltable (with fan), Vertical +/-10° rotatable (without fan)
Required Spacing for Mounting	Upwards: 60 mm, At the side: 15 mm, Downwards: 40 mm
Wire Length Maximum	300 m
Number of Poles for Main Circuit	3
Electrical Connection Type	Screw-type terminals for main and auxiliary/control circuit
Number of Auxiliary Contacts	2 NO, 1 CO
Conductor Cross-Sections	Various sizes for solid and finely stranded wires with core end processing
Protection Class IP	IP20
Ambient Operating Temperature	-25 ... +60 °C
Ambient Storage Temperature	-40 ... +80 °C
Derating Temperature	40 °C
Environmental Category	IEC 60721

The Siemens 3RW4026-1BB05 is a high-quality soft starter designed for seamless integration into various industrial motor control applications. This SIRIUS soft starter is engineered to facilitate smooth start and stop operations for three-phase motors, ensuring a reduction in mechanical stress and an increase in the lifespan of your machinery.

With a rated operational current of 25 A at 40 °C and the capability to manage motors up to 15 kW at 500 V, this soft starter is a robust solution for medium-sized motor applications. It operates effectively within a voltage range of 400-600 V AC and is equipped with a 24 V AC/DC control supply voltage, making it versatile for different power supply systems.

The 3RW4026-1BB05 comes with an integrated bypass contact system and thyristors, which contribute to its efficiency and reliability. It also boasts intrinsic device protection and motor overload protection, ensuring your equipment is safeguarded against potential electrical issues.

This soft starter is designed with user convenience in mind, featuring adjustable current limitation and an external reset function. The absence of an inside-delta circuit and motor brake output simplifies the device for straightforward use in various industrial settings.

Constructed to meet the demands of industrial environments, the 3RW4026-1BB05 has a compact form factor with dimensions of 45 mm in width, 125 mm in height, and 155 mm in depth. It can be easily mounted using screw and snap-on methods, and it supports a maximum wire length of 300 m for flexible installation options.

The device is also designed to withstand challenging conditions, with an operational temperature range of -25 to +60 °C and a storage temperature range of -40 to +80 °C. It is rated at an insulation voltage of 600 V and has a degree of pollution of 3, according to IEC 60947-4-2, ensuring reliable performance in various industrial environments.

For those seeking a dependable and efficient solution to manage the start-up of their motors, the Siemens 3RW4026-1BB05 soft starter offers a blend of performance, protection, and ease of use, making it a valuable addition to any industrial motor control system.

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.

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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 purpose of a soft starter?

A soft starter is designed to control the acceleration and deceleration of three-phase motors, reducing the mechanical stress on the motor and the electrical stress on the power supply. This helps in extending the lifespan of the motor and associated equipment.

Can the soft starter be used for motor overload protection?

Yes, the soft starter has motor overload protection functionality, which helps to prevent damage to the motor due to excessive current draw or overheating.

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

Yes, the Siemens 3RW4026-1BB05 soft starter comes with an integrated bypass contact system, which helps to reduce power loss and heat generation once the motor reaches full speed.

What are the voltage requirements for this soft starter?

The soft starter operates at a standard circuit rated voltage of 400 to 600 V AC, with a control supply voltage of 24 V AC/DC.

What is the rated operational current of this soft starter?

The rated operational current of the soft starter at 40°C is 25 A.

What are the ambient temperature operating limits for this soft starter?

The soft starter can operate within an ambient temperature range of -25°C to +60°C.

What type of protection does the soft starter provide?

The soft starter provides protection with a class IP20 rating, ensuring protection against solid objects larger than 12.5 mm but not against water.

What is the maximum installation altitude for the soft starter?

The soft starter can be installed at altitudes up to 5,000 meters above sea level without derating.

How can I adjust the motor current for overload protection?

The soft starter allows for adjustable motor current settings for motor overload protection, with a minimum rated value of 10 A.

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.

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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