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Siemens 3RH2911-2XA22-0MA0

Name: 3RH2911-2XA22-0MA0
Brand: Siemens
SKU: 3RH2911-2XA22-0MA0
Price: 29.46 GBP
Availability: InStock

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£29.46 (ex. VAT)

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Marvo Stock ID MV-7CG9

HS Code 85365080

SKU 3RH2911-2XA22-0MA0

Condition New sealed

Warranty 12 months

Weight (kg) 0.04

Length (mm) 47.70

Width (mm) 36.00

Height (mm) 41.50

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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	3RH2911-2XA22-0MA0
Alternative Part Number	3RH29112XA220MA0
Manufacturer	Siemens
Product Type	Auxiliary switch block
Mounting Type	Snap-on mounting
Number of Contacts	4 (2 NO + 2 NC)
Current Path	1 NO (Normally Open)
Terminal Type	Spring-loaded terminals
Suitable For	Contactor relay and power contactor
Protection Class IP	IP20
Ambient Operating Temperature	-25 ... +60 °C
Storage Temperature	-55 ... +80 °C
Mechanical Operating Cycles	Typically 10,000,000
Electrical Operating Cycles	Typically 200,000 at AC-15, at 230 V
Contact Reliability	1 faulty switching per 100 million (17 V, 1 mA)
Insulation Voltage	Rated value 690 V with degree of pollution 3
Impulse Voltage Resistance	Rated value 6 kV
Width	36 mm
Height	41.5 mm
Depth	47.7 mm
Connectable Conductor Cross-sec	For auxiliary contacts: 2x (0.5 ... 1.5 mm²) with core end processing, 2x (0.5 ... 2.5 mm²) without
Safety Related Features	Mirror contact according to IEC 60947-4-1, positively driven operation according to IEC 60947-5-1
Certificates/Approvals	General Product Approval, Declaration of Conformity, Test Certificates

The Siemens 3RH2911-2XA22-0MA0 is a meticulously engineered auxiliary switch block designed to enhance the functionality of contactor relays and motor contactors. This component is part of the esteemed SIRIUS product line, renowned for its reliability and versatility in various industrial applications.

Crafted with precision, the switch block features a front-mounted design, housing 2 normally open (NO) and 2 normally closed (NC) contacts, with a current path configuration of 1 NO and 1 NC. This arrangement ensures flexibility and adaptability to a wide range of control and signalling circuits.

The switch block is equipped with spring-loaded terminals for secure and efficient connections, accommodating a range of conductor sizes. It is designed to snap onto existing equipment easily, facilitating quick installation and maintenance.

With an insulation voltage rated at 690V and a surge voltage resistance of 6kV, the 3RH2911-2XA22-0MA0 is built to withstand challenging electrical environments. Its robust construction ensures a mechanical service life of typically 10 million switching cycles and an electrical endurance of 200,000 cycles at AC-15 at 230V, highlighting its durability and long-term performance.

The compact dimensions of the switch block, with a width of 36mm, height of 41.5mm, and depth of 47.7mm, allow for efficient use of space within control cabinets. The unit also meets IP20 protection class standards on the front, ensuring protection against solid objects and enhancing its suitability for a variety of industrial settings.

The Siemens 3RH2911-2XA22-0MA0 operates reliably within a broad ambient temperature range, from -25°C to +60°C during operation, and -55°C to +80°C during storage, making it a resilient choice for diverse climatic conditions.

This auxiliary switch block is a testament to Siemens' commitment to quality and innovation, providing a reliable solution for enhancing control systems and ensuring efficient operation across a multitude 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 is the function of this auxiliary switch block?

The auxiliary switch block is designed to provide additional switching capabilities for contactor relays and power contactors. It features 2 normally open (NO) and 2 normally closed (NC) contacts, enhancing the control and feedback mechanisms in electrical circuits.

Can this auxiliary switch block be used with any contactor relay or power contactor?

It is specifically suitable for use with SIRIUS size S00 and S0 contactor relays and power contactors, ensuring compatibility and reliable operation within these specified devices.

What type of terminal connection does this auxiliary switch block have?

This auxiliary switch block is equipped with spring-loaded terminals, which provide a secure and maintenance-free electrical connection.

What is the insulation voltage rating for this auxiliary switch block?

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

What is the mechanical service life of this auxiliary switch block?

The mechanical service life of this auxiliary switch block is typically around 10 million switching cycles, indicating its durability and longevity in operation.

What is the ambient temperature range for operating this auxiliary switch block?

The auxiliary switch block can operate within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for a variety of industrial environments.

What is the surge voltage resistance of this auxiliary switch block?

The surge voltage resistance of this auxiliary switch block is rated at 6 kV, providing protection against transient voltage spikes.

How does the contact reliability of this auxiliary switch block ensure accurate switching?

The contact reliability is such that there is only one faulty switching operation per 100 million at 17 V, 1 mA, which ensures a high level of accuracy and reliability in switching operations.

What are the dimensions of this auxiliary switch block?

The dimensions of the auxiliary switch block are 36 mm in width, 41.5 mm in height, and 47.7 mm in depth, making it compact and easy to integrate into various control systems.

Does this auxiliary switch block have any specific approvals or conformities?

Yes, it conforms to general product approvals and declarations of conformity, which may include standards such as IEC 60947-4-1 for mirror contacts and IEC 60947-5-1 for positively driven operations.

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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