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3RT2023-2BB44

£92.43 (ex. VAT)

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3RT2023-2BB44

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Marvo Stock ID MV-7ECT
HS Code 85364900
SKU 3RT2023-2BB44
Condition New sealed
Warranty 12 months
Weight (kg) 0.40
Length (mm) 154.00
Width (mm) 45.00
Height (mm) 102.00

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Specification & Description

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Specification & Description

Specification Description
Part Number 3RT2023-2BB44
Alternative Part Number 3RT20232BB44
Manufacturer Siemens
Product Type Contactor
Contactor Size S0
Number of Poles 3-pole
Auxiliary Contacts 2NO+2NC (Normally Open + Normally Closed)
Operating Voltage AC-3, 4KW/400V
Control Circuit Voltage DC 24V
Terminal Type Spring-loaded terminal, removable
Protection Class IP IP20
Pollution Degree 3
Installation Altitude Up to 2,000 metres above sea level
Ambient Temperature Range -25 … +60 °C (operating), -55 … +80 °C (storage)
Shock Resistance At DC 10g / 5 ms, 7.5g / 10 ms (rectangular impulse), 15g / 5 ms, 10g / 10 ms (sine pulse)
Impulse Voltage Resistance Rated value 6 kV
Insulation Voltage Rated value 690 V
Mounting Position +/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5°
Mounting Type Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Width 45 mm
Height 102 mm
Depth 155 mm
Safety Related Data B10 value with high demand rate according to SN 31920: 1,000,000
T1 Value For proof test interval or service life according to IEC 61508: 20 years
Proportion of Dangerous Failures With low demand rate according to SN 31920: 40%, with high demand rate: 73%
Failure Rate With low demand rate according to SN 31920: 100 FIT
Product Function Mirror contact to IEC 60947-4-1, positively driven operation to IEC 60947-5-1: No
Certificates/Approvals General Product Approval, EMC, KC, Functional Safety/Safety of Machinery, etc.

The Siemens 3RT2023-2BB44 is a robust and versatile power contactor designed to handle a variety of switching tasks in industrial applications. This model is part of the SIRIUS product line, renowned for its reliability and efficiency in controlling motors and loads. The contactor is engineered to manage AC-3 loads up to 9 A and motor power up to 4 kW at 400 V, making it suitable for a wide range of applications.

Featuring a compact size S0 footprint, the 3RT2023-2BB44 is equipped with 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility for integration into various control circuits. The unit operates with a control voltage of 24 V DC and includes spring-type terminals for a secure and maintenance-free electrical connection.

The contactor is designed with a high insulation voltage of 690 V and a surge voltage resistance rated at 6 kV, ensuring robust performance even in demanding environments. It also boasts a mechanical service life of up to 10 million switching cycles, highlighting its durability and long-term operational stability.

Installation is made easy with options for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715. The device can be mounted in various positions and is capable of being rotated +/-180° on a vertical mounting surface, with the ability to tilt forward and backward by +/- 22.5°, offering flexibility in tight spaces.

The Siemens 3RT2023-2BB44 is a reliable choice for those seeking a high-quality contactor that delivers consistent performance and adaptability for a range of industrial switching 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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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 type of contactor is this?

This is an AC-3 category contactor suitable for controlling motors, with a control voltage of DC 24V. It features 2 normally open (NO) and 2 normally closed (NC) contacts, and is a 3-pole device with spring-loaded terminals.

Can this contactor be used for communication functions?

No, this contactor does not have a function module for communication. It is designed for basic switching operations.

What is the size of the contactor?

The contactor is of size S0, which is a standard size within the Siemens SIRIUS range, making it suitable for a variety of industrial applications.

What is the IP protection class of the contactor?

The contactor has an IP20 protection class on the front, ensuring protection against solid objects larger than 12mm but not against water.

What is the maximum operating altitude for this contactor?

The contactor can be operated at a maximum altitude of 2,000 metres above sea level without derating.

What are the ambient temperature ranges for storage and operation?

The contactor can be stored in temperatures ranging from -55°C to +80°C and can operate in temperatures from -25°C to +60°C.

What certifications does the contactor have?

The contactor comes with general product approval and has certifications for EMC compliance. It also has various other approvals and declarations of conformity, which can be provided upon request.

What are the dimensions of the contactor?

The contactor has a width of 45mm, a height of 102mm, and a depth of 155mm, making it compact for its capabilities.

How is the contactor mounted?

The contactor can be mounted by screw and snap-on mounting onto a 35mm standard mounting rail according to DIN EN 50022. It allows for a +/-180° rotation on a vertical mounting surface and can be tilted forward and backward by +/- 22.5°.

What is the insulation voltage rating of the contactor?

The contactor has an insulation voltage rating of 690V, which is the rated value for the insulation voltage.

What is the impulse voltage resistance of the contactor?

The contactor has an impulse voltage resistance rated at 6kV.

Can this contactor be used in series installation?

Yes, the contactor is designed for series installation, allowing for efficient use of space within control cabinets.

What is the B10 value for this contactor?

The B10 value, which indicates the number of operating cycles until 10% of components may fail, is 1,000,000 for this contactor when used with a high demand rate according to SN 31920.

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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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