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Siemens 3RH2911-1HA22

Name: 3RH2911-1HA22
Brand: Siemens
SKU: 3RH2911-1HA22
Price: 28.59 GBP
Availability: InStock

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£28.59 (ex. VAT)

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Marvo Stock ID MV-1R8M

HS Code 85365080

SKU 3RH2911-1HA22

Condition New sealed

Warranty 12 months

Weight (kg) 1.00

Length (mm) 320.00

Width (mm) 250.00

Height (mm) 250.00

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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	3RH2911-1HA22
Alternative Part Number	3rh29111ha22
Manufacturer	Siemens
Series	3RH2911
Type	Auxiliary Switch Block
Contact Configuration	2NO/2NC (Normally Open/Normally Closed)
Rated Voltage	690 V
Dimensions	37.5 x 36 x 43.7 mm
Mounting Type	Snap-on mounting
Terminal Type	Screw terminal
Operating Temperature Range	-25 … +60 °C during operation, -55 … +80 °C during storage
Mechanical Operating Cycles	Typical 10,000,000
Electrical Operating Cycles	Typical 200,000 at AC-15 at 230 V
Contact Reliability	One incorrect switching operation of 100 million switching operations (17 V, 1 mA)
Insulation Voltage	Rated value 690 V with degree of pollution 3
Impulse Voltage Resistance	Rated value 6 kV
Protection Class	IP20 on the front
Compliance	Mirror contact acc. to IEC 60947-4-1, Positively driven operation acc. to IEC 60947-5-1
Commodity Code	85365080

The Siemens 3RH2911 Series Auxiliary Switch Block is a compact and reliable component designed for seamless integration with contactor relays and power contactors. This switch block features a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, providing versatility for various control and signalling applications within industrial settings.

Crafted with precision, the switch block boasts an insulation voltage rated at 690 V and an impulse voltage resistance of 6 kV, ensuring robust performance even in demanding electrical environments. The product is engineered to operate within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for a wide range of operating conditions.

With a mechanical operating life of typically 10 million cycles and an electrical operating life at AC-15 at 230 V of typically 200,000 cycles, this auxiliary switch block is built to last, offering reliability and durability for your control systems. The switch block's dimensions are 37.5 x 36 x 43.7 mm, and it features a snap-on mounting design for easy installation.

The switch block is designed with screw terminals for secure and straightforward electrical connections, accommodating various conductor cross-sections for auxiliary contacts. It also meets the IP20 protection class standard on the front, providing a basic level of protection against solid objects.

This Siemens auxiliary switch block is a testament to the brand's commitment to quality and efficiency, making it an essential component for industrial control applications that require precise and dependable switching operations.

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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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 an auxiliary switch block?

An auxiliary switch block is used to provide additional switching functions in electrical circuits. It typically operates in conjunction with contactors or relays to facilitate the control of various circuit elements, such as indicating lights or other auxiliary devices.

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

Yes, the Siemens 3RH2911-1HA22 auxiliary switch block is designed to be used with both AC and DC currents, providing versatility in its application across different types of electrical systems.

What are the voltage and current specifications for this auxiliary switch block?

The auxiliary switch block is rated for an insulation voltage of 690 V and has an operational current of 10 A at AC-12 at 24 V and 230 V. It also has specific operational current ratings for AC-15 and DC-12 circuits.

What type of terminals does this auxiliary switch block have?

The auxiliary switch block comes equipped with screw-type terminals, which are designed for secure and reliable wire connections.

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

The typical mechanical service life of the auxiliary switch block is around 10 million operating cycles, and the electrical endurance at AC-15 at 230 V is typically 200,000 cycles.

What are the dimensions of this auxiliary switch block?

The dimensions of the auxiliary switch block are 37.5 mm in height, 36 mm in width, and 43.7 mm in depth, making it compact and suitable for integration into various control systems.

What is the protection class of this auxiliary switch block?

The auxiliary switch block has a protection class of IP20 on the front, indicating a basic level of protection against solid objects.

Can this auxiliary switch block be mounted easily?

Yes, it is designed for snap-on mounting, which allows for quick and easy installation onto compatible devices.

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, ensuring reliable performance in various environmental conditions.

Does this auxiliary switch block have mirror contact functionality?

Yes, it does feature mirror contact functionality according to IEC 60947-4-1 when used with 3RT2, which is important for safety applications.

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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