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Siemens 3RH1911-2FB22

Name: 3RH1911-2FB22
Brand: Siemens
SKU: 3RH1911-2FB22
Price: 39.27 GBP
Availability: InStock

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£39.27 (ex. VAT)

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Marvo Stock ID MV-7C7C

HS Code 85365080

SKU 3RH1911-2FB22

Condition Used

Warranty 12 months

Weight (kg) 0.03

Length (mm) 46.00

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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Specification & Description

Specification	Description
Part Number	3RH1911-2FB22
Alternative Part Number	3RH19112FB22
Manufacturer	Siemens
Product Type	Auxiliary Switch Block
Contact Configuration	1 NO + 1 NC and 1 NO + 1 NC Make-Before-Break
Connection Type	Cage Clamp Connection
Size	S00
Suitable For	Auxiliary and Motor Contactor
Protection Class IP	IP20
Ambient Operating Temperature Range	-25 … +60 °C
Storage Temperature Range	-55 … +80 °C
Mechanical Operating Cycles	Typically 10,000,000
Electrical Operating Cycles at AC-15	Typically 200,000 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
Number of Auxiliary Contacts	2 NC (1 instantaneous, 1 lagging), 2 NO (1 instantaneous, 1 leading)
Operating Current at AC-12	10 A at 24 V and 230 V, Maximum 10 A
Mounting Type	Snap-on Mounting
Dimensions (W x H x D)	36.5 mm x 37.5 mm x 46 mm
Electrical Connection	Spring-loaded terminals
Conductor Cross-section	2x (0.5 ... 1.5 mm²) finely stranded with conductor end processing, 2x (0.5 ... 2.5 mm²) without
AWG Conductors	2x (20 ... 14) for auxiliary contacts
Mirror Contact	Yes, to IEC 60947-4-1 with 3RT1
Positively Driven Operation	Yes, to IEC 60947-5-1 with 3RH1

The Siemens 3RH1911-2FB22 is a high-quality auxiliary switch block designed for seamless integration with contactor relays and power contactors. This component is part of the SIRIUS product family, renowned for its reliability and versatility in various industrial applications. With an IP20 protection class on the front, it ensures a safe operation in diverse working conditions.

This auxiliary switch block operates within an ambient temperature range of -25°C to +60°C, making it suitable for a wide range of environments. It boasts an impressive mechanical operating cycle of approximately 10 million operations, and an electrical operating cycle of around 200,000 at AC-15, 230V, highlighting its durability and longevity.

The 3RH1911-2FB22 features a cage clamp connection and is designed for snap-on mounting, which facilitates easy installation and maintenance. Its compact dimensions, with a width of 36.5mm, height of 37.5mm, and depth of 46mm, allow for efficient use of space inside control cabinets.

Equipped with spring-loaded terminals, the switch block can accommodate a variety of conductor cross-sections, ensuring flexible and secure connections. It also meets high safety standards, with mirror contact functionality according to IEC 60947-4-1 and positively driven operation according to IEC 60947-5-1, when used with compatible 3RT1 and 3RH1 devices, respectively.

The 3RH1911-2FB22 is a testament to Siemens' commitment to quality, offering a reliable solution for enhancing control system performance and ensuring operational excellence in 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.

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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 purpose of an auxiliary switch block?

An auxiliary switch block is used to provide additional switching functions in electrical circuits. It can be used for signalling, interlocking, and control tasks within a contactor relay or power contactor setup.

Can this auxiliary switch block be used in safety applications?

Yes, the 3RH1911-2FB22 auxiliary switch block is designed with features such as mirror contacts and positively driven operation, making it suitable for use in safety-related applications when used with compatible devices.

What type of connections does this auxiliary switch block support?

The 3RH1911-2FB22 features cage clamp connections, which are a type of spring-loaded terminal that allows for quick and secure connection of wires without the need for tools.

What are the operating current specifications for this auxiliary switch block?

The operating current for the auxiliary contacts of this switch block is 10 A at AC-12 at both 24 V and 230 V, with a maximum of 10 A. For DC-13 applications, the operating current varies depending on the voltage, ranging from 6 A at 24 V to 0.1 A at 600 V with 3 current paths in series.

What are the dimensions of this auxiliary switch block?

The dimensions of the 3RH1911-2FB22 are 36.5 mm in width, 37.5 mm in height, and 46 mm in depth, making it compact and suitable for snap-on mounting in a variety of setups.

What is the insulation voltage rating for this part?

The insulation voltage rating for the 3RH1911-2FB22, with a degree of pollution 3, is 690 V.

How many mechanical operating cycles can this auxiliary switch block handle?

The 3RH1911-2FB22 is designed to handle typically 10,000,000 mechanical operating cycles, indicating its durability and reliability for long-term use.

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

The ambient temperature range for operating the 3RH1911-2FB22 is between -25 °C and +60 °C, ensuring stable performance across a wide range of environmental conditions.

Does this auxiliary switch block have any certifications or approvals?

Yes, the auxiliary switch block comes with general product approvals and may have specific certifications and approvals depending on the application and region. It is advisable to check the product documentation for detailed information on certifications.

What is the impulse voltage resistance of this part?

The impulse voltage resistance of the 3RH1911-2FB22 is rated at 6 kV.

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.

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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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