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Siemens 3RT2024-1DB44-3MA0

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Marvo Stock ID MV-7819

HS Code 85364900

SKU 3RT2024-1DB44-3MA0

Warranty 12 months

Weight (kg) 2.00

Length (mm) 300.00

Width (mm) 190.00

Height (mm) 150.00

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	3RT2024-1DB44-3MA0
Alternative Part Number	3RT20241DB443MA0
Manufacturer	Siemens
Product Type	Power Contactor
Contact Configuration	3 Normally Open (3NO)
Rated Operational Current	40 A at 690 V ac
Rated Control Supply Voltage	24 V DC with inserted varistor
Size	S0
Connection Type	Screw connection
Auxiliary Contacts	2 Normally Open (2NO) + 2 Normally Closed (2NC), permanently mounted
Protection Class	IP20 on the front
Pollution Degree	3
Installation Altitude	Up to 2,000 metres above sea level
Ambient Temperature Range	-25 … +60 °C during operation
Shock Resistance	10g / 5 ms, 7.5g / 10 ms at DC for rectangular impulse; 15g / 5 ms, 10g / 10 ms at DC for sine pulse
Insulation Voltage	Rated at 690 V
Impulse Voltage Resistance	Rated at 6 kV
Commodity Code	853649
Approvals	General Product Approval, EMC, KTL, Declaration of Conformity, Test Certificates

The Siemens 3RT2024-1DB44-3MA0 is a robust power contactor designed to handle a variety of applications within industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency. With a size S0 footprint, it is compact enough to fit in standard control cabinets, yet powerful enough to manage AC-3 loads up to 5.5 kW at 400 V.

This model features three normally open (NO) contacts, making it suitable for many switching tasks. It is equipped with a 24 V DC control voltage and an integrated varistor, which provides protection against voltage spikes, enhancing the longevity of the device. The contactor is designed for screw connection, ensuring a secure and stable installation.

The 3RT2024-1DB44-3MA0 is engineered to perform in a wide range of ambient temperatures, from as low as -25°C up to +60°C, making it versatile for use in different climatic conditions. It also boasts an impressive mechanical service life, capable of up to 10 million switching cycles, which speaks to its durability and the quality of engineering that Siemens is known for.

With an IP20 protection rating, the contactor is finger-safe, providing a degree of protection against solid objects and ensuring the safety of personnel during installation and maintenance. The device is also designed to be shock-resistant, withstanding the rigours of industrial operation.

This power contactor is an excellent choice for those seeking a reliable solution for controlling motors and loads efficiently in commercial and industrial applications. Its design and construction are aligned with Siemens' commitment to high-quality standards, ensuring that it delivers consistent performance and contributes to the smooth operation of your electrical systems.

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?

This is a power contactor designed for switching an electrical power circuit, similar to a relay but with higher current ratings.

What are the contact configurations for this contactor?

The contactor comes with 3 normally open (NO) main contacts and has a current rating of 40 A with an operational voltage of up to 690 V ac.

Can this contactor be used for motor control applications?

Yes, it is suitable for motor control applications and can handle up to 5.5 kW at 400 V in AC-3 usage category.

What is the coil voltage for this contactor?

The coil operates at 24 V DC, and it includes an integrated varistor for surge suppression.

What is the size of this contactor?

This contactor is of size S0, making it compact and suitable for use in various industrial applications where space may be limited.

Is there any protection against electrical shock?

Yes, the contactor is designed with finger-safe terminals to provide protection against electrical shock.

What is the IP rating of this contactor?

The front of the contactor has an IP20 rating, indicating protection against solid objects larger than 12mm but not against water.

How can this contactor be mounted?

It can be mounted using screws or snapped onto a DIN rail, providing flexibility in installation.

What certifications does this contactor have?

It has general product approvals and complies with EMC standards, ensuring its reliability and safety in industrial environments.

What is the typical application for this contactor?

Typically, it is used in applications such as starting and stopping motors, controlling heating loads, or managing electrical lighting circuits.

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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