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Siemens 3TH2244-0BB4

Name: 3TH2244-0BB4
Brand: Siemens
SKU: 3TH2244-0BB4
Price: 35.61 GBP
Availability: InStock

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Marvo Stock ID MV-7ITI

HS Code 85364900

SKU 3TH2244-0BB4

Condition Used

Warranty 12 months

Weight (kg) 0.20

Length (mm) 96.00

Width (mm) 45.00

Height (mm) 48.00

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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	3TH2244-0BB4
Alternative Part Number	3TH22440BB4
Manufacturer	Siemens
Product Type	Contactor Relay
Contact Configuration	4NO/4NC (4 Normally Open, 4 Normally Closed)
Rated Control Supply Voltage	24 V DC
Operating Current at AC-15	4 A at 230 V, 3 A at 400 V
Mounting Type	Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Dimensions (Height x Width x Depth)	48 mm x 45 mm x 96 mm
Electrical Connection	Screw-type terminals
Protection Class	IP20
Reference Code	K (acc. to DIN 40719 extended according to IEC 204-2 acc. to IEC 750)
B10 Value	400,000 operations with 0.3 x Ie (rated operational current)
T1 Value	20 years (proof test interval or service life acc. to IEC 61508)
Protection Against Electrical Shock	Finger-safe
Product Designation	Auxiliary contactor
Size of Contactor	0
Identification Number and Letter	44 E

The Siemens 3TH2244-0BB4 is a robust contactor relay designed for a wide range of industrial applications. This component is engineered to facilitate reliable switching of auxiliary circuits and control signals within electrical systems. With a configuration of 4 normally open (NO) and 4 normally closed (NC) contacts, it offers versatility for complex circuit designs.

Featuring a control supply voltage of 24 V DC, the 3TH2244-0BB4 is suitable for DC operation and comes with a screw terminal connection for secure and straightforward installation. The compact dimensions, with a width of 45 mm, allow for efficient use of space inside control cabinets.

This contactor relay is built to the EN 50011 standard, ensuring compatibility with European installations, and is rated for operating currents of 4 A at 230 V in AC-15 usage, and 3 A at 400 V, making it a practical choice for a variety of control tasks. The device is also finger-safe, providing protection against electrical shock and enhancing safety during handling and operation.

Mounting is made easy with options for both screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022. The 3TH2244-0BB4 is a discontinued product, and its successor is the SIRIUS 3RH21 series, which continues Siemens' tradition of innovation and reliability in contactor technology.

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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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 control supply voltage for this contactor relay?

The control supply voltage for this contactor relay is rated at 24 V DC.

Can you describe the mounting type for this device?

The device can be mounted using screws and can also be snapped onto a 35 mm standard mounting rail according to DIN EN 50022.

What are the dimensions of this contactor relay?

The dimensions of the contactor relay are 48 mm in height, 45 mm in width, and 96 mm in depth.

What type of electrical connection does this contactor relay have?

This contactor relay features screw-type terminals for auxiliary and control current circuits.

What is the operating current of this contactor relay at AC-15?

At AC-15, the operating current is 4 A at 230 V and 3 A at 400 V.

What is the protection class for the front of this contactor relay?

The protection class for the front of this contactor relay is IP20, providing protection against solid objects larger than 12.5 mm but not against water.

How many NO and NC contacts does this contactor relay have?

The contactor relay has 4 Normally Open (NO) and 4 Normally Closed (NC) contacts.

What is the B10 value for this contactor relay?

The B10 value for this contactor relay, with a high demand rate according to SN 31920, is 400,000 operations at 0.3 times the rated operational current (Ie).

What is the T1 value for proof test interval or service life according to IEC 61508?

The T1 value for proof test interval or service life according to IEC 61508 is 20 years.

Is the contactor relay finger-safe?

Yes, the contactor relay is designed to be finger-safe, providing protection against electrical shock.

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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