Image shown may not reflect the final product
View similar products
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 | 3RU2126-4DB0 |
| Alternative Part Number | 3RU21264DB0 |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Product Type | Overload Relay |
| Operating Voltage | 690 V ac |
| Contact Configuration | 1NC/1NO |
| Connection Type | Screw |
| Dimensions | 45 x 85 x 85 mm |
| Number of Poles | 3 |
| Adjustable Current Range | 20...25 A |
| Trip Class | CLASS 10 |
| Operating Frequency | 50...60 Hz |
| Insulation Voltage | 690 V ac with degree of pollution 3 |
| Surge Voltage Resistance | 6 kV |
| Ambient Operating Temperature | -40...+70 °C |
| Mounting Position | Any |
| Fastening Method | Contactor mounting |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front according to IEC 60529 |
| Display Version | Slide switch for switching status |
| Certificates/Approvals | General Product Approval for use in hazardous locations, ATEX directive 2014/34/EU compliant |
The Siemens 3RU2126-4DB0 is a high-quality overload relay from the renowned SIRIUS series, designed to provide reliable motor protection. This component is engineered to handle a voltage of up to 690 V ac and is suitable for a variety of industrial applications. It features a compact design with dimensions of 45 x 85 x 85 mm, making it an excellent choice for installations where space is at a premium.
The overload relay is equipped with both 1NC (normally closed) and 1NO (normally open) contacts, and it utilises a screw connection method for secure and straightforward installation. The device is rated for a thermal overload release current range of 20 to 25 A, ensuring that it can be adjusted to protect motors of different sizes within this range.
With a trip class of 10, the Siemens 3RU2126-4DB0 is designed to provide a quick response to overloads, thereby safeguarding the motor and associated equipment from potential damage. The manual-automatic reset feature offers flexibility in operation, allowing for both manual intervention and automatic reset in the event of an overload trip.
This overload relay is part of the SIRIUS product family, which is known for its durability and reliability in demanding industrial environments. The 3RU2126-4DB0 is a testament to Siemens' commitment to quality and innovation in motor control and protection.
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.’
Thomas Roland Geaughan
‘Prompt and expert service. Ease of access to find the parts I needed.’
Martin Ruml
‘Rapid delivery.’
Martin Juřica
‘Fast offer, short delivery time.’
Kayden
‘Services is great.’
Nathalie Jolicoeur
‘Great service. Thank you.’
Anna
‘I can recommend quick, efficient, and professional.’
Thomas Roland Geaughan
‘Prompt and expert service. Ease of access to find the parts I needed.’
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 is the voltage rating for this overload relay?
The overload relay is rated for operating voltages up to 690 V ac.
Can this overload relay be mounted directly to a contactor?
Yes, the overload relay is designed for contactor mounting, allowing for direct integration with compatible contactors.
What are the dimensions of this overload relay?
The dimensions of the overload relay are 45 x 85 x 85 mm.
What is the trip class of this thermal overload relay?
This thermal overload relay has a trip class of 10.
What is the range of the adjustable current response value for this relay?
The adjustable current response value for this relay ranges from 20 to 25 A.
What type of terminals does this overload relay have for electrical connections?
The overload relay features screw-type terminals for both the main current circuit and the auxiliary and control circuit.
Is there a manual reset function on this overload relay?
Yes, the overload relay comes with a manual-automatic-reset feature.
What is the insulation voltage of this overload relay?
The insulation voltage, with a degree of pollution 3, is rated at 690 V ac.
What type of protection does this overload relay offer?
The overload relay offers protection class IP20 on the front according to IEC 60529, ensuring finger-safe touch protection for vertical contact from the front.
How many auxiliary contacts does this overload relay have?
The overload relay is equipped with 1 normally closed (NC) contact and 1 normally open (NO) contact for auxiliary purposes.
