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Siemens 3RT1045-1BB40

Name: 3RT1045-1BB40
Brand: Siemens
SKU: 3RT1045-1BB40
Price: 49.91 GBP
Availability: InStock

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£49.91 (ex. VAT)

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Marvo Stock ID MV-1QO0

HS Code 85364900

SKU 3RT1045-1BB40

Condition Used

Category General Automation

Warranty 12 months

Weight (kg) 5.00

Length (mm) 320.00

Width (mm) 250.00

Height (mm) 250.00

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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	3RT1045-1BB40
Alternative Part Number	3RT10451BB40
Manufacturer	Siemens
Category	General Automation
Description	Siemens Power Contactor, optimised for switching motors and controlling power circuits.
Contactor Type	3-pole
Rated Operational Current	AC-3 80 A (at 400 V)
Control Supply Voltage	24 V DC
Size	S3
Terminal Type	Screw terminal
Rated Operational Power	37 kW (at 400 V, AC-3)
Protection Class	IP20
Degree of Pollution	3
Installation Altitude	Up to 2,000 metres above sea level
Ambient Operating Temperature	-25°C to +60°C
Mechanical Operating Cycles	Typically 10,000,000
Number of Main Contacts	3 NO (Normally Open)
Commodity Code	853649

The Siemens 3RT1045-1BB40 is a robust power contactor designed to handle high current applications with ease. This three-pole contactor is engineered to manage AC-3 loads up to 80 A and motor control tasks up to 37 kW at 400 V in a variety of industrial settings. Its compact size S3 frame makes it suitable for space-conscious installations, while the screw terminal connections ensure a secure and reliable electrical connection.

Crafted for durability, the 3RT1045-1BB40 boasts an impressive mechanical service life, capable of up to 10 million switching cycles, making it a reliable choice for long-term use. The contactor operates within a wide ambient temperature range from -25 to +60 °C, ensuring consistent performance even in demanding environments.

The device is equipped with three normally open (NO) main contacts, ensuring efficient operation and straightforward integration into existing systems. With a rated insulation voltage of 1,000 V and a surge voltage resistance of 6 kV, it offers a high level of protection for both the contactor itself and the connected equipment.

Designed with a focus on safety and reliability, the 3RT1045-1BB40 contactor is a testament to Siemens' commitment to quality and performance in industrial automation components. Whether used in manufacturing, process control, or other heavy-duty applications, this contactor is an excellent choice for professionals seeking a high-performing solution to manage electrical loads effectively.

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 type of contactor is this Siemens power contactor?

This Siemens power contactor is a 3-pole contactor designed for AC-3 applications, capable of handling 80 A and controlling motors up to 37 kW at 400 V ac.

Can this contactor be used for high-frequency switching applications?

The contactor is suitable for general-purpose switching but for high-frequency switching applications, it's important to refer to the datasheet for the specific operating current and mechanical endurance ratings.

What is the control voltage for this contactor?

The control voltage for this contactor is 24 V DC, which is the standard for the coil operation.

What are the dimensions of this contactor?

The exact dimensions can be found in the datasheet, but it is a Size S3 contactor, which is a standard size within the Siemens contactor range.

Is this contactor suitable for use in a marine environment?

While the contactor has a robust design, suitability for marine environments would depend on specific certifications and approvals. Please check the product approvals section in the datasheet for detailed information.

What is the insulation voltage rating of this contactor?

The insulation voltage rating of this contactor is 1000 V, which is the nominal value for safe operation.

What is the mechanical service life of this contactor?

The mechanical service life of the contactor is typically around 10 million switching cycles, indicating its durability and longevity in applications.

What type of terminals does this contactor have?

This contactor is equipped with screw terminals, which are designed for secure and reliable wire connections.

What is the operating temperature range for this contactor?

The operating temperature range for this contactor is from -25 to +60 degrees Celsius, ensuring reliable operation in a wide range of environmental conditions.

How can I find more detailed technical information about this contactor?

For more detailed technical information, including certifications, electrical endurance, and switching frequency, please refer to the manufacturer's datasheet and product documentation.

Part conditions explained

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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.

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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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