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Siemens 3RH1911-1FB22

Name: 3RH1911-1FB22
Brand: Siemens
SKU: 3RH1911-1FB22
Price: 18.44 GBP
Availability: InStock

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£18.44 (ex. VAT)

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Marvo Stock ID MV-1WMU

HS Code 85365080

SKU 3RH1911-1FB22

Condition Used

Warranty 12 months

Weight (kg) 0.03

Length (mm) 41.50

Width (mm) 36.50

Height (mm) 37.50

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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	3RH1911-1FB22
Alternative Part Number	3RH19111FB22
Manufacturer	Siemens
Product Type	Auxiliary Switch Block
Contact Configuration	2 Normally Open (NO) + 2 Normally Closed (NC) contacts
Utilisation Category	For Contactor Relay and Power Contactor Applications
Mounting Type	Snap-on Mounting
Connection Type	Screw Connection
Operating Voltage	Up to 690 V Insulation Voltage with Degree of Pollution 3
Impulse Voltage Resistance	Rated at 6 kV
Operating Current for AC-12	10 A at 24 V and 230 V
Operating Current for AC-15	6 A at 24 V and 230 V, 3 A at 400 V, 1 A at 690 V Rated Value
Operating Current for DC-13	0.3 A at 220 V
Mechanical Operating Cycles	Typically 10,000,000
Electrical Operating Cycles	Typically 200,000 at AC-15, at 230 V
Ambient Operating Temperature	-25 to +60 °C during operation
Storage Temperature	-55 to +80 °C
Protection Class	IP20 on the front
Dimensions (W x H x D)	36.5 mm x 37.5 mm x 41.5 mm
Approval	General Product Approval, Functional Safety / Safety of Machinery, Various Test Certificates

The Siemens 3RH1911-1FB22 is a high-quality auxiliary switch block designed for seamless integration with contactor relays and power contactors. This component is engineered to enhance the functionality of your control systems, offering reliable switching capabilities with its configuration of 2 normally open (NO) and 2 normally closed (NC) contacts.

Crafted to meet the rigorous standards of industrial applications, the 3RH1911-1FB22 boasts a mechanical life of approximately 10 million operating cycles, ensuring longevity and consistent performance. Its electrical life is equally impressive, with around 200,000 operating cycles at AC-15, 230V, which speaks to its durability under load conditions.

The switch block operates within an ambient temperature range of -25°C to +60°C during operation, and -55°C to +80°C during storage, making it suitable for a wide range of environmental conditions. With an IP20 protection class on the front, it provides a basic level of protection against solid objects.

Installation is made easy with its snap-on mounting design, and the screw connection terminals allow for secure and reliable wiring. The compact dimensions of 36.5mm width, 37.5mm height, and 41.5mm depth make it an unobtrusive addition to your control panel.

The 3RH1911-1FB22 is designed with safety in mind, featuring mirror contacts in accordance with IEC 60947-4-1 and positively driven operation to IEC 60947-5-1 when used with 3RT1 and 3RH1 contactors, respectively.

This auxiliary switch block is an essential component for those seeking to maintain or enhance the efficiency and reliability of their control systems in commercial and industrial settings.

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.

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.

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Learn more about Marvo

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 for use with contactor relays and power contactors. It provides additional switching capabilities, allowing for the control and monitoring of various circuit functions within an electrical system.

Can this auxiliary switch block be used in safety-related applications?

Yes, the auxiliary switch block is suitable for use in safety-related applications, as it meets the necessary standards for functional safety and machinery safety.

What type of connections does this auxiliary switch block support?

The auxiliary switch block supports screw-type terminal connections, which are suitable for a range of conductor cross-sections and provide a secure and reliable electrical connection.

What is the IP rating of this auxiliary switch block?

The auxiliary switch block has an IP20 protection class rating on the front, indicating that it is protected against solid objects larger than 12.5mm but not against water.

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

The ambient temperature range for operating the auxiliary switch block is between -25°C and +60°C, while for storage, it can withstand temperatures from -55°C to +80°C.

What is the mechanical and electrical life expectancy of this auxiliary switch block?

The auxiliary switch block has a mechanical life expectancy of typically 10 million operating cycles and an electrical life expectancy of 200,000 cycles at AC-15 at 230V.

How does the auxiliary switch block ensure contact reliability?

The auxiliary switch block ensures contact reliability with a very low chance of incorrect switching operations, rated at one faulty switching per 100 million operations at specified voltage and current levels.

What are the dimensions of this auxiliary switch block?

The auxiliary switch block has a width of 36.5mm, a height of 37.5mm, and a depth of 41.5mm, making it compact and suitable for integration into various control systems.

Is there a preferred successor for this auxiliary switch block?

Yes, the preferred successor for this auxiliary switch block is the SIRIUS 3RH2 series, specifically the model >>3RH2911-1FB22<<.

What is the insulation voltage and impulse voltage resistance of this auxiliary switch block?

The auxiliary switch block has an insulation voltage rated at 690V with a degree of pollution 3 and an impulse voltage resistance rated at 6kV.

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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