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Siemens 3RH2911-2FA22

Name: 3RH2911-2FA22
Brand: Siemens
SKU: 3RH2911-2FA22
Price: 36.8 GBP
Availability: InStock

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£36.80 (ex. VAT)

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Image shown may not reflect the final product

Marvo Stock ID MV-7CFM

HS Code 85364900

SKU 3RH2911-2FA22

Condition New unboxed

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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Specification & Description

Specification	Description
Part Number	3RH2911-2FA22
Alternative Part Number	3RH29112FA22
Manufacturer	Siemens
Product Type	Auxiliary Switch
Rated Insulation Voltage	690 V AC with degree of pollution 3
Rated Operational Voltage	600 V DC
Number of Contacts	2 Normally Open (NO), 2 Normally Closed (NC)
Contact Configuration	Current path: 1NO, 1NC, 1NC, 1NO
Mechanical Operating Cycles	Typical 10,000,000
Electrical Operating Cycles	Typical 200,000 at AC-15, at 230 V
Contact Reliability	1 faulty switching per 100 million (17 V, 1 mA)
Ambient Operating Temperature Range	-25 to +60 °C during operation, -55 to +80 °C during storage
Protection Class	IP20 on the front
Mounting Type	Snap-on mounting
Dimensions (Width x Height x Depth)	36 mm x 41.5 mm x 47.7 mm
Connection Type	Spring-loaded terminals
Suitable for Use With	Contactor relay and power contactor
Product Brand Name	SIRIUS
Surge Voltage Resistance	Rated value 6 kV
Commodity Code	85365080
Special Features	Mirror contact according to IEC 60947-4-1, Positively driven operation according to IEC 60947-5-1

The Siemens 3RH2911-2FA22 is a meticulously engineered auxiliary switch designed to enhance the functionality of contactor relays and power contactors. This switch is a vital component for industrial control systems, offering a reliable solution for various switching operations. With a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, it provides flexibility for a wide range of applications.

Constructed to withstand challenging industrial environments, the 3RH2911-2FA22 operates efficiently within an ambient temperature range of -25 to +60 degrees Celsius, ensuring consistent performance even in extreme conditions. The switch boasts an impressive mechanical service life of approximately 10 million switching cycles, highlighting its durability and long-term reliability.

The auxiliary switch is rated for an insulation voltage of 690V, with a surge voltage resistance of 6kV, which is indicative of its robust design and its ability to handle high-voltage applications with ease. The spring-loaded terminals facilitate a secure and straightforward installation process, making it a user-friendly option for professionals.

This Siemens auxiliary switch is not only built to last but also designed with safety in mind, featuring mirror contacts according to IEC 60947-4-1 and positively driven operation in compliance with IEC 60947-5-1. These features ensure that the switch operates safely and predictably, which is crucial for maintaining the integrity of the control system it is part of.

The compact dimensions of the 3RH2911-2FA22, with a width of 36mm, height of 41.5mm, and depth of 47.7mm, allow for efficient use of space within control cabinets, making it an excellent choice for applications where space is at a premium.

Overall, the Siemens 3RH2911-2FA22 auxiliary switch is a testament to Siemens' commitment to quality, reliability, and safety in industrial control components. It is an essential part of any system where precise control and long-term dependability are paramount.

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 voltage rating for this auxiliary switch?

The auxiliary switch is rated for an insulation voltage of 690 V AC with a degree of pollution 3, and it has an impulse voltage resistance rated at 6 kV.

Can this auxiliary switch be used with both AC and DC circuits?

Yes, the auxiliary switch is suitable for use in both AC and DC circuits. It has operational current ratings specified for AC-12, AC-14, AC-15, and DC-12 categories.

What are the ambient temperature limits for operating this auxiliary switch?

The switch can operate within an ambient temperature range of -25 to +60 degrees Celsius, and it can be stored in temperatures ranging from -55 to +80 degrees Celsius.

What is the mechanical service life of this auxiliary switch?

The mechanical service life of the switch is typically 10 million switching cycles, indicating its durability and longevity in applications.

How many NO and NC contacts does the auxiliary switch have?

The auxiliary switch features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts.

What type of terminals does the auxiliary switch have for connection?

The switch is equipped with spring-loaded terminals, which allow for quick and secure connections.

What is the product brand name associated with this auxiliary switch?

The auxiliary switch is part of the SIRIUS product brand.

What is the IP protection class of the auxiliary switch?

The switch has an IP20 protection class rating on the front, providing protection against solid objects larger than 12.5 mm.

Is the auxiliary switch compatible with contactor relays and power contactors?

Yes, the switch is designed for use with contactor relays and power contactors, enhancing their functionality.

Does the auxiliary switch have any specific product functions related to safety?

Yes, the switch includes a mirror contact function according to IEC 60947-4-1 and positively driven operation according to IEC 60947-5-1, ensuring reliable performance in safety-related applications.

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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