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Siemens 3RH2122-2BB40

Name: 3RH2122-2BB40
Brand: Siemens
SKU: 3RH2122-2BB40
Price: 41.4 GBP
Availability: InStock

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£41.40 (ex. VAT)

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Image shown may not reflect the final product

Marvo Stock ID MV-7C9R

HS Code 85364900

SKU 3RH2122-2BB40

Condition New unboxed

Warranty 12 months

Weight (kg) 1.00

Length (mm) 300.00

Width (mm) 190.00

Height (mm) 150.00

EAN 4011209786738

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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	3RH2122-2BB40
Alternative Part Number	3RH21222BB40
Manufacturer	Siemens
Product Type	Contactor Relay
Contact Configuration	2 Normally Open (NO); 2 Normally Closed (NC)
Rated Current	10 A
Coil Voltage	24 V dc (Control)
Size	S00
Control Circuit	DC (Control)
Frequency	1000 MHz
Protection Rating	IP20
Mounting Type	Screw and snap-on mounting onto 35 mm standard mounting rail
Terminal Type	Spring-loaded terminals
Insulation Voltage	Rated at 690 V with degree of pollution 3
Ambient Operating Temperature	-25 … +60 °C
Shock Resistance	10g / 5 ms, 5g / 10 ms (rectangular impulse); 15g / 5 ms, 8g / 10 ms (sine pulse) at DC
Mechanical Operating Cycles	Typical 30 million
Commodity Code	853649
Approvals	General Product Approval, EMC, KC, Functional Safety/Safety of Machinery, Declaration of Conformity, Test Certificates

The Siemens 3RH2122-2BB40 is a high-quality contactor relay designed for a wide range of industrial applications. This component is part of the SIRIUS product family, renowned for its reliability and versatility in automation and control systems. With a compact size S00 footprint, it is engineered to save space inside control cabinets while delivering robust performance.

This contactor relay features 2 normally open (NO) and 2 normally closed (NC) contacts, making it suitable for various switching operations. The device operates with a control voltage of 24 V DC, ensuring compatibility with standard DC control circuits. The spring-loaded terminals provide a secure and maintenance-free electrical connection, which is crucial for long-term stability and safety in industrial environments.

The 3RH2122-2BB40 is designed with a finger-safe protection class of IP20, offering protection against touch and foreign objects. It can withstand impulse voltages up to 6 kV and operates reliably within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for challenging environments.

Mechanical durability is a key feature of this contactor relay, with a mechanical service life of up to 30 million switching cycles, ensuring a long operational lifespan. The device also boasts a shock resistance that meets stringent industry standards, withstanding both rectangular and sine pulse shocks, which is indicative of its robustness in industrial settings where machinery vibrations and shocks are common.

The Siemens 3RH2122-2BB40 is a testament to Siemens' commitment to quality and efficiency, providing a reliable solution for controlling electrical circuits in a variety of 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.

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 type of device is this Siemens contactor relay?

The Siemens contactor relay is an electromechanical switching device designed for controlling power circuits. It features 2 normally open (NO) and 2 normally closed (NC) contacts, suitable for various industrial applications.

Can this contactor relay be used in safety-related applications?

While the contactor relay is built to high standards of quality, its suitability for safety-related applications depends on the specific requirements of the system. It's advisable to consult the relevant safety standards and possibly look for devices specifically certified for safety functions.

What is the rated control supply voltage for this contactor relay?

The rated control supply voltage for this contactor relay is 24 V DC, which is the typical voltage required for the coil to operate the switching mechanism.

What is the size of this contactor relay?

This contactor relay is of size S00, which is a compact size suitable for use in space-constrained environments.

What is the maximum operating current for the auxiliary contacts?

The maximum operating current for the auxiliary contacts is 10 A at AC-15 at 230 V rated value.

What type of terminal does this contactor relay have?

This contactor relay is equipped with spring-loaded terminals, which provide a secure and maintenance-free electrical connection.

What is the protection class of this contactor relay?

The protection class for the front of this contactor relay is IP20, indicating protection against solid objects larger than 12.5 mm but not against water.

What is the mechanical service life of this contactor relay?

The mechanical service life of the contactor relay is typically around 30 million operating cycles, which indicates its durability and reliability over time.

Can this contactor relay be used at different altitudes?

Yes, this contactor relay can be used at installation altitudes up to 2,000 meters above sea level without derating.

What are the ambient temperature limits for operating this contactor relay?

The contactor relay can operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring functionality in a variety of environmental conditions.

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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