Express shipping
Lightning fast shipping if ordered within 00:00:00
Risk-Free Returns, Read Our Policy
Trusted by Global Manufacturers
No Delivery Duties or Additional Fees
Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2025-2BB40 |
| Alternative Part Number | 3RT20252BB40 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contactor Size | S0 |
| Number of Poles | 3 Pole |
| Rated Operational Current (AC-3) | 17 A |
| Rated Operational Voltage (AC-3) | 400 V ac |
| Auxiliary Contacts | 1 Normally Open (NO) + 1 Normally Closed (NC) |
| Coil Voltage | DC 24V |
| Terminal Type | Spring-loaded terminal |
| Insulation Voltage | Rated at 690 V |
| Surge Voltage Resistance | Rated value 6 kV |
| Degree of Pollution | 3 |
| Protection Class IP | IP20 for front and terminals |
| Ambient Operating Temperature | -25 … +60 °C |
| Installation Altitude | Up to 2,000 meters above sea level |
| Shock Resistance | At DC 10g / 5 ms, 7.5g / 10 ms for rectangular impulse; 15g / 5 ms, 10g / 10 ms for sine pulse |
| Compliance | EMC, KC, Functional Safety/Safety of Machinery, Declaration of Conformity |
The Siemens 3RT2025-2BB40 is a robust power contactor designed to handle a variety of applications within industrial environments. This three-pole contactor is engineered to control motors and is capable of switching power circuits up to AC-3, 17 A, and 7.5 kW at 400 V ac. It features a 24 V dc coil and includes both one normally open (NO) and one normally closed (NC) auxiliary contact for added flexibility in circuit design.
Constructed with a size S0 frame, the 3RT2025-2BB40 is compact and suitable for space-saving installations. It utilises spring-loaded terminals, ensuring a secure and maintenance-free electrical connection that is both time-efficient and reliable for system integrators and electricians.
The contactor is designed with safety in mind, boasting a finger-safe protection class of IP20, which helps to prevent accidental contact with live components. It also has a high degree of pollution resistance, rated at level 3, and can withstand impulse voltages up to 6 kV, ensuring durability and reliability in harsh industrial settings.
With an insulation voltage rated at 690 V, the 3RT2025-2BB40 is suitable for a wide range of applications, including but not limited to motor control centres, conveyor systems, and HVAC installations. Its mechanical service life is impressive, offering a typical expectancy of 10 million switching cycles, which speaks to the longevity and quality of Siemens engineering.
The contactor's ambient operating temperature range of -25 to +60 °C and storage temperature range of -55 to +80 °C make it versatile for use in various environmental conditions, and it can be installed at altitudes up to 2,000 metres above sea level without derating.
Overall, the Siemens 3RT2025-2BB40 power contactor is a reliable and efficient solution for controlling motors and power circuits in industrial applications, providing both performance and safety in a compact design.
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.
Read more...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.
Read more...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.
Read more...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.
Read more...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.
Read more...Peace of mind with every purchase
Dan
‘The ordering was fast and efficient, and everything arrived just as they said it would.’
Milan Kosík
‘Large selection of spare parts, fast delivery.’
Irene
‘Fast delivery and prompt action.’
Muswalin
‘Good packing, quickly delivery and responsible.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Ms. Mia
‘Quick response, good item, delivery on schedule.’
Julien
‘Perfect quick delivery, good service.’
Kayden
‘Services is great.’
Irene
‘Fast delivery and prompt action.’
Similar Products
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 except with higher current ratings. It's suitable for controlling electric motors and other high power loads in industrial applications.
Can this contactor be used for three-phase applications?
Yes, it is a 3-pole contactor, making it suitable for three-phase applications. It's commonly used to control three-phase motors and other similar loads.
What is the rated operational voltage for this contactor?
The rated operational voltage for this contactor in AC-3 usage is 400 V ac.
What is the control supply voltage of this contactor?
The control supply voltage for this contactor is 24 V DC.
What are the dimensions of this contactor?
The exact dimensions can be found in the datasheet, but it is designed to fit within the standardised dimensions for a Size S0 contactor.
What is the insulation voltage rating of this contactor?
The insulation voltage rating of this contactor is 690 V.
Does this contactor come with auxiliary contacts?
Yes, it comes with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.
What is the IP protection class of this contactor?
The protection class for the front of this contactor is IP20, indicating a basic level of protection against solid objects.
What is the rated operational current of this contactor in AC-3?
The rated operational current for this contactor in AC-3 is 17 A.
What type of terminal does this contactor have?
This contactor is equipped with spring-type terminals for easy and secure connections.
