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Siemens 3RT1046-1BB44

Name: 3RT1046-1BB44
Brand: Siemens
SKU: 3RT1046-1BB44
Price: 48.92 GBP
Availability: InStock

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£48.92 (ex. VAT)

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Marvo Stock ID MV-7DA3

HS Code 853649

SKU 3RT1046-1BB44

Condition New unboxed

Warranty 12 months

Weight (kg) 3.00

Length (mm) 320.00

Width (mm) 250.00

Height (mm) 250.00

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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	3RT1046-1BB44
Alternative Part Number	3RT10461BB44
Manufacturer	Siemens
Product Type	Power Contactor
Poles	3 Pole, 3P-3NO
Rated Operational Voltage	400 V
Rated Operational Current	120 A
Power Rating	45 kW
Contactor Size	Size S3
Connection Type	Screw Connection
Number of Auxiliary Contacts	2 NO + 2 NC
Rated Control Supply Voltage	DC 24 V
Operating Frequency at AC-1	Maximum 900 1/h
Operating Frequency at AC-3	Maximum 850 1/h
Mechanical Operating Cycles	Typical 10,000,000
Insulation Voltage	Rated value 1,000 V
Degree of Pollution	3
Protection Class IP	IP20
Installation Altitude	Maximum 2,000 m above sea level
Ambient Operating Temperature	-25 … +60 °C
Shock Resistance	At DC 6,8g / 5 ms, 4g / 10 ms
Surge Voltage Resistance	Rated value 6 kV
Contact Reliability	1 faulty switching per 100 million (17 V, 1 mA)

The Siemens 3RT1046-1BB44 Power Contactor is a robust and reliable switching device designed for controlling power circuits in industrial applications. This three-pole contactor is engineered to handle significant electrical loads, making it an ideal choice for managing motors and other heavy-duty electrical equipment.

Crafted with precision, the contactor boasts a high operating current capacity of 120 A at AC-1, 400 V, and can efficiently manage AC-3 category loads up to 95 A at 400 V. Its impressive power handling capabilities are evident with its ability to control 45 kW motors at 400 V, ensuring smooth operation in demanding environments.

The contactor features a DC control circuit with a 24 V rated control supply voltage, providing a stable and secure low-voltage operation for the coil. The inclusion of 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts allows for flexible configuration in various control circuits, enhancing its adaptability to different operational requirements.

Designed with a size S3 frame, the contactor ensures a compact footprint while maintaining its high-performance characteristics. The screw connection terminals offer a secure and reliable connection, facilitating easy installation and maintenance.

With a mechanical service life of up to 10 million operating cycles, the Siemens 3RT1046-1BB44 Power Contactor is built to last, offering long-term reliability and reduced maintenance needs. Its operational temperature range from -25 to +60 °C and an installation altitude capability of up to 2000 metres above sea level, make it suitable for a wide range of environmental conditions.

Overall, the Siemens 3RT1046-1BB44 Power Contactor is a high-quality component that provides efficient and dependable performance for industrial power management tasks. Its robust construction and versatile features make it a valuable addition to any electrical 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.

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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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 are the main characteristics of this power contactor?

This power contactor is a 3-pole device with 3 normally open (NO) contacts, rated for AC-3 95 A and 45 kW at 400 V. It has a control supply voltage of 24 V DC and includes 2 NO + 2 NC auxiliary contacts. It's designed for screw terminal connections and is part of the SIRIUS product family.

Can this contactor be used in high-altitude installations?

Yes, this contactor can be used at installation altitudes up to 2,000 metres above sea level without derating.

What is the typical mechanical service life of this contactor?

The typical mechanical service life of the contactor is around 10 million operating cycles, ensuring long-term reliability for your applications.

What is the operating temperature range for this contactor?

The operating temperature range for this contactor is between -25°C and +60°C, making it suitable for a variety of environmental conditions.

What type of protection does the contactor offer?

The contactor offers IP20 protection on the front, ensuring that it is protected against solid objects larger than 12.5 mm but not against water.

How does the contactor handle shock and vibration?

The contactor is designed to withstand shock resistance at rectangular impulse and sine pulse at DC, as specified in its technical data, ensuring robust performance in environments with vibration and shock.

What are the dimensions of this contactor?

For specific dimensions of the contactor, please refer to the datasheet or contact us directly for detailed information.

Is this contactor suitable for use in both AC and DC applications?

This contactor is primarily designed for AC applications, with specific ratings for AC-1, AC-2, AC-3, and AC-4 utilisation categories. It also has a DC control supply voltage and can switch DC loads within its specified ratings.

What is the insulation voltage rating for this contactor?

The insulation voltage rating for this contactor is 1,000 V, which is the rated value for ensuring safe operation and isolation.

Can this contactor be used for motor control applications?

Yes, this contactor is suitable for motor control applications, with an AC-3 rating of 45 kW at 400 V, making it capable of handling the demands of starting and stopping motors.

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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