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Siemens 3RH1122-2KB40

Name: 3RH1122-2KB40
Brand: Siemens
SKU: 3RH1122-2KB40
Price: 31.09 GBP
Availability: InStock

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£31.09 (ex. VAT)

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Marvo Stock ID MV-7C37

HS Code 85364900

SKU 3RH1122-2KB40

Condition Used

Warranty 12 months

Weight (kg) 2.00

Length (mm) 300.00

Width (mm) 190.00

Height (mm) 150.00

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	3RH1122-2KB40
Alternative Part Number	3RH11222KB40
Manufacturer	Siemens
Contact Configuration	2 Normally Open (NO) / 2 Normally Closed (NC)
Rated Current	10 A
Control Supply Voltage	24 V dc
Size	S00
Insulation Voltage	Rated at 690 V with degree of pollution 3
Ambient Operating Temperature	-40 … +70 °C during operation
Mechanical Operating Cycles	Typical 30,000,000
Installation Altitude	Up to 2,000 m above sea level
Protection Class	IP20 on the front
Surge Voltage Resistance	Rated value 6 kV
Mounting Type	Screw and snap-on mounting
Connection Type	3-pole cage clamp connection
Contact Reliability	One incorrect switching operation of 100 million switching operations (17 V, 1 mA)
Resistance to Shock	10g / 5 ms and 5g / 10 ms
Design of the Surge Suppressor	With varistor
Product Approvals	CSA / UL / CCC / GL / LRS / BV / DNV / RMRS / RINA

The Siemens 3RH1122-2KB40 is a high-quality contactor relay designed for efficient control within electrical systems. This compact and robust component is part of the SIRIUS product range and is engineered to facilitate seamless integration into a variety of industrial applications. With a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, it offers versatility in managing control circuits.

Rated for 10 A and equipped with a 24 V dc control supply voltage, this contactor relay ensures reliable operation even in demanding environments. The inclusion of a varistor provides surge suppression, enhancing the durability and longevity of the device. The S00 size of the contactor makes it suitable for space-conscious installations, while the IP20 protection class on the front ensures basic protection against solid objects.

The 3RH1122-2KB40 is designed to withstand a wide range of ambient temperatures, making it suitable for operation in diverse conditions. Its mechanical service life is impressive, with a typical rating of 30 million operating cycles, indicating a commitment to reliability and performance.

This contactor relay is ideal for those seeking a dependable solution for switching auxiliary circuits within their electrical systems. Its design and build quality reflect Siemens' commitment to excellence in industrial control components.

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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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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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 switching auxiliary circuits and control signals. It features 2 normally open (NO) and 2 normally closed (NC) contacts, making it suitable for various industrial applications.

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

Yes, this contactor relay can be used in safety-related applications. It has a specific proportion of dangerous failures percentage and a B10 value, making it suitable for use in safety functions up to a certain level as defined by the relevant standards.

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

The rated control supply voltage for this contactor relay is 24 V DC, with an operating range factor of 0.7 to 1.25 times the rated value of the magnet coil at DC.

What is the insulation voltage rating for this contactor relay?

The insulation voltage rating for this contactor relay is 690 V, with a degree of pollution 3, ensuring it can safely isolate the control circuit from higher voltages.

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

The ambient temperature limits for operating this contactor relay range from -40°C to +70°C, which allows it to function reliably in a wide range of environmental conditions.

What type of connections does this contactor relay support?

This contactor relay supports Cage Clamp terminals, which provide a secure and maintenance-free connection for the auxiliary and control current circuits.

What is the mechanical service life of this contactor relay?

The mechanical service life of this contactor relay is typically 30 million operating cycles, indicating its durability and reliability over time.

How is the surge suppression designed in this contactor relay?

The surge suppression in this contactor relay is designed with a varistor, which helps to protect the control circuit from voltage spikes and transients.

What certifications does this contactor relay hold?

This contactor relay holds several certifications, including CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, and RINA, which attest to its compliance with international standards and regulations.

What is the size of this contactor relay?

The size of this contactor relay is S00, which is a compact size category within the Siemens SIRIUS modular system, making it suitable for space-saving installations.

Part conditions explained

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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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