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Siemens 3RT2025-1DB44-3MA0

Name: 3RT2025-1DB44-3MA0
Brand: Siemens
SKU: 3RT2025-1DB44-3MA0
Price: 107.08 GBP
Availability: InStock

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Marvo Stock ID MV-7EG5

HS Code 85364900

SKU 3RT2025-1DB44-3MA0

Condition New sealed

Warranty 12 months

Weight (kg) 0.30

Length (mm) 151.00

Width (mm) 45.00

Height (mm) 85.00

EAN 4011209901322

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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	3RT2025-1DB44-3MA0
Alternative Part Number	3RT20251DB443MA0
Manufacturer	Siemens
Voltage	24 V dc
Power Rating	40 kW
Current Rating	40 A
Number of Poles	3 Poles
Contactor Size	Size S0
Operational Current at AC-1	40 A at 400 V
Operational Current at AC-3	17 A at 400 V
Rated Control Circuit Voltage	24 V DC
Mechanical Service Life	10 million switching cycles for contactor
Protection Class	IP20 on the front
Ambient Operating Temperature	-25 to +60 °C during operation
Installation Altitude	Up to 2000 m above sea level
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
Auxiliary Contacts	2 NO (Normally Open) + 2 NC (Normally Closed)
Connection Type	Screw-type terminals for main and auxiliary circuits

The Siemens 3RT2025-1DB44-3MA0 is a robust power contactor designed to handle a variety of applications in industrial environments. This contactor is engineered to control motors and loads efficiently within an AC-3 utilisation category, making it suitable for starting and stopping AC motors. It boasts a 7.5 kW power rating at 400 V and can manage operational currents up to 17 A, ensuring reliable performance for a wide range of machinery.

Crafted with precision, the contactor features three poles and comes equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility for integration into various control circuits. The 24 V DC control voltage, complemented by an integrated varistor, ensures smooth operation and protection against voltage spikes.

The contactor's size S0 footprint allows for efficient use of space inside control cabinets, while the screw terminal connections offer a secure and durable means of installation. With a mechanical service life of up to 10 million operating cycles, this contactor is built to last and maintain its functionality over an extended period, reducing the need for frequent replacements.

The Siemens 3RT2025-1DB44-3MA0 is designed with user safety in mind, featuring finger-safe protection and an IP20 rating for the front of the device, which guards against the ingress of solid objects. Its compliance with international standards ensures it can be confidently integrated into systems worldwide.

Overall, this power contactor is a reliable and efficient solution for controlling electric motors and is an excellent choice for those seeking a high-quality component for their industrial automation needs.

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 is the rated control supply voltage of this power contactor?

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

Can this contactor be used for safety-related switching off?

Yes, the Siemens 3RT2025-1DB44-3MA0 is suitable for safety-related switching off applications.

What is the size of this contactor and how can it be mounted?

This contactor is of size S0 and can be mounted by screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.

What is the maximum operating voltage for this contactor in AC-3 utilisation category?

The maximum operating voltage for this contactor in AC-3 utilisation category is 690 V.

What are the main contactor ratings for a three-phase AC motor?

For a three-phase AC motor, the contactor ratings are 3 hp at 200/208 V, 5 hp at 220/230 V, 10 hp at 460/480 V, and 15 hp at 575/600 V.

What type of electrical connection does this contactor have?

This contactor features screw-type terminals for both the main current circuit and the auxiliary and control current circuit.

What is the protection class of the front side of the contactor?

The front side of the contactor has a protection class of IP20.

What is the mechanical service life of this contactor?

The mechanical service life of the contactor is typically 10 million switching cycles.

What are the dimensions of this contactor?

The dimensions of the contactor are 85 mm in height, 45 mm in width, and 151 mm in depth.

Does this contactor have mirror contacts according to IEC 60947-4-1?

Yes, it does have mirror contacts according to IEC 60947-4-1.

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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