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Siemens 3RT1025-1AL20

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£42.25 (ex. VAT)

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3RT1025-1AL20
3RT1025-1AL20

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Marvo Stock ID MV-7CXL
HS Code 85364900
SKU 3RT1025-1AL20
Condition Used
Warranty 12 months
Weight (kg) 1.00
Length (mm) 300.00
Width (mm) 190.00
Height (mm) 150.00

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Specification & Description

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Specification & Description

Specification Description
Part Number 3RT1025-1AL20
Alternative Part Number 3RT10251AL20
Manufacturer Siemens
Product Type Power Contactor
Poles 3 Poles
Contact Configuration 3NO (3 Normally Open)
Rated Operational Current AC-3 17 A
Power Rating at 400 V 7.5 kW
Control Voltage 230 V AC
Frequency 50/60 Hz
Size S0
Connection Type Screw Connection
Protection Class IP20
Degree of Pollution 3
Installation Altitude Up to 2,000 meters above sea level
Ambient Operating Temperature -25 … +60 °C
Mechanical Operating Cycles 10,000,000 typical for contactor, 5,000,000 typical for contactor with electronics-compatible auxiliary switch block
Main Circuit Contacts 0 NC (Normally Closed), 3 NO (Normally Open)
Operating Current at AC-1 40 A at 400 V
Operating Current at AC-3 17 A at 400 V
Operating Current at AC-4 15.5 A at 400 V
Service Power at AC-2 7.5 kW at 400 V
Service Power at AC-3 7.5 kW at 400 V
Service Power at AC-4 7,500 W at 400 V
Control Circuit Voltage Type AC
Operating Range Factor 0.8 … 1.1 for AC at 50/60 Hz
Apparent Pull-in Power 64 V·A for AC
Apparent Holding Power 8.4 V·A for AC
Inductive Power Factor 0.72 with the pull-in power of the coil
Auxiliary Circuit Reliability 1 faulty switching per 100 million (17 V, 1 mA)
Commodity Code 853649

The Siemens 3RT1025-1AL20 is a robust power contactor designed to handle high switching frequencies with reliability and efficiency. Engineered for a wide range of applications, this contactor is an essential component for motor control and automation tasks. It features three poles and three normally open (NO) contacts, making it suitable for various circuit configurations.

With a rated operating current of 17 A at AC-3 and a power rating of 7.5 kW at 400 V, the 3RT1025-1AL20 is capable of managing significant electrical loads. The contactor operates with a control voltage of 230 V AC and is compatible with both 50 and 60 Hz power systems, offering versatility for international use.

The compact size S0 frame of the contactor ensures it fits seamlessly into electrical cabinets, while the screw connection terminals provide a secure and durable connection. The device is designed with a mechanical service life of up to 10 million operating cycles, highlighting its durability and long-term performance.

This Siemens contactor is also characterised by its IP20 protection class on the front, ensuring a basic level of protection against solid objects. With an ambient operating temperature range of -25 to +60 degrees Celsius and the ability to function up to 2,000 meters above sea level, it is suitable for challenging industrial environments.

The 3RT1025-1AL20 is a reliable choice for professionals seeking a high-quality contactor that delivers consistent performance and operational longevity. Whether it's for starting motors, controlling heating loads, or managing lighting systems, this contactor is engineered to meet the demands of modern industrial 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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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.

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Frequently Asked Questions

What are the main characteristics of this power contactor?

This power contactor is a 3-pole device with 3 normally open (NO) contacts, rated for AC-3 17 A and capable of handling 7.5 kW at 400 V. It operates with a control voltage of 230 V AC at 50/60 Hz and is of size S0.

Can this contactor be used in a vertical mounting position?

Yes, the contactor is designed to allow for vertical mounting, ensuring flexibility in installation.

What is the IP protection class of this contactor?

The contactor has an IP20 protection class rating on the front, providing a basic level of protection against solid objects.

What is the expected mechanical operating life of this contactor?

The mechanical operating life of the contactor is typically around 10 million operating cycles, ensuring a long service life for standard applications.

How does ambient temperature affect the operation of this contactor?

The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for a variety of environmental conditions.

What is the degree of pollution for this contactor?

The contactor has a degree of pollution rating of 3, which indicates that it is designed to operate in environments where conductive pollution or dry non-conductive pollution occurs and must be considered.

What are the dimensions and weight of this contactor?

For specific dimensions and weight details, please refer to the product datasheet or contact us directly for further information.

Is this contactor suitable for DC applications?

While primarily designed for AC applications, the contactor does have DC ratings. Please consult the product datasheet for detailed DC operating characteristics.

What certifications does this contactor have?

The contactor comes with general product approvals and conforms to relevant standards. For a complete list of certifications, please refer to the product documentation.

Can auxiliary contacts be added to this contactor?

Yes, auxiliary contacts can be added to the contactor. It is designed to be compatible with additional auxiliary switch blocks for enhanced functionality.

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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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