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Siemens 3RT2028-1AG20

Name: 3RT2028-1AG20
Brand: Siemens
SKU: 3RT2028-1AG20
Price: 103.27 GBP
Availability: InStock

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Marvo Stock ID MV-7EM4

HS Code 85364900

SKU 3RT2028-1AG20

Condition New sealed

Warranty 12 months

Weight (kg) 0.40

Length (mm) 97.00

Width (mm) 45.00

Height (mm) 85.00

EAN 4011209833791

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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	3RT2028-1AG20
Alternative Part Number	3RT20281AG20
Manufacturer	Siemens
Product Type	Power Contactor
Size of Contactor	S0
Rated Insulation Voltage	690 V
Degree of Pollution	3
Surge Voltage Resistance	6 kV
Maximum Voltage for Safe Isolation	400 V between coil and main contacts
Protection Class IP	IP20 for front and terminal
Shock Resistance	Resistant to rectangular impulse
Operating Power at AC-3	18.5 kW at 400 V
Thermal Short-time Current	Limited to 10 s, 304 A
Power Loss	3.8 W at AC-3 at 400 V per conductor
No-load Switching Frequency	5,000 1/h at AC
Operating Frequency	Maximum 750 1/h at AC-3
Control Supply Voltage Type	AC
Control Supply Voltage at AC	110 V at 50/60 Hz
Operating Range Factor	0.8 to 1.1 at 50 Hz, 0.85 to 1.1 at 60 Hz
Apparent Pick-up Power	81 V·A at 50 Hz, 79 V·A at 60 Hz
Apparent Holding Power	10.5 V·A at 50 Hz, 8.5 V·A at 60 Hz
Electrical Connection Type	Screw-type terminals for main, auxiliary, and control current circuits
Connectable Conductor Cross-sections	Various cross-sections for main and auxiliary contacts, including solid, stranded, and finely stranded with core end processing
B10 Value	1,000,000 with high demand rate according to SN 31920
Failure Rate	100 FIT with low demand rate according to SN 31920
T1 Value for Proof Test Interval	20 years according to IEC 61508
Product Function	Mirror contact according to IEC 60947-4-1
Commodity Code	853649

The Siemens 3RT2028-1AG20 is a robust power contactor designed to handle high switching frequencies and provide reliable operation in a variety of industrial applications. This contactor is part of the SIRIUS product family, known for its durability and efficiency in controlling motors and loads.

With a size S0 footprint, the 3RT2028-1AG20 is compact yet powerful, capable of managing AC-3 category loads up to 18.5 kW at 400 V. It features a three-pole design and is equipped with screw-type terminals for both the main current circuit and auxiliary and control current circuits, ensuring secure and stable connections.

The contactor is rated for an insulation voltage of 690 V and has a surge voltage resistance of 6 kV, providing a high degree of protection against voltage spikes. It also boasts an IP20 protection class for the front and terminals, safeguarding against the ingress of solid objects.

Designed to withstand challenging environmental conditions, the 3RT2028-1AG20 operates reliably within an ambient temperature range of -25 to +60°C and can be installed at altitudes up to 2,000 meters above sea level without derating.

The mechanical service life of this contactor is impressive, with up to 10 million switching cycles, highlighting its longevity and reliability in repetitive applications. Additionally, it features a control supply voltage of AC 110 V at both 50 and 60 Hz, making it versatile for different power supply systems.

The Siemens 3RT2028-1AG20 is a testament to high-quality engineering, providing a dependable solution for controlling electric motors and ensuring smooth operation in industrial environments.

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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Learn more about Marvo

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, typically used in applications with higher current capacities.

Can this contactor be used for high-demand applications?

Yes, it has a B10 value indicating it can handle a high demand rate, making it suitable for applications with frequent switching.

What is the rated insulation voltage for this contactor?

The rated insulation voltage for this contactor is 690 V.

What are the mounting options for this contactor?

The contactor can be mounted by screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.

What is the control supply voltage for this contactor?

The control supply voltage at AC is rated at 110 V for both 50 Hz and 60 Hz.

What are the dimensions of this contactor?

The contactor has a height of 85 mm, a width of 45 mm, and a depth of 97 mm.

Does this contactor have auxiliary contacts?

Yes, it comes with 1 normally closed (NC) and 1 normally open (NO) auxiliary contact.

What is the operating frequency of this contactor at AC-3?

The operating frequency at AC-3 is a maximum of 750 operations per hour.

Is there a specific type of conductor cross-section that can be connected to this contactor?

Yes, the contactor can accommodate various conductor cross-sections for both main and auxiliary contacts, including solid, single or multi-stranded, and finely stranded with core end processing.

What certifications does this contactor have?

The contactor has general product approvals and may include EMC, KC, and other certifications. Specific details can be found in the product documentation.

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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