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Siemens 3RH2911-2GA04

Name: 3RH2911-2GA04
Brand: Siemens
SKU: 3RH2911-2GA04
Price: 28.43 GBP
Availability: InStock

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£28.43 (ex. VAT)

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Marvo Stock ID MV-7CFQ

HS Code 85365080

SKU 3RH2911-2GA04

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	3RH2911-2GA04
Manufacturer	Siemens
Product Brand Name	SIRIUS
Suitability for Use	Contactor relay
Protection Class IP on the Front	IP20
Ambient Temperature (Storage)	-55°C to +80°C
Ambient Temperature (Operation)	-25°C to +60°C
Mechanical Service Life	10,000,000 switching cycles
Electrical Endurance (AC-15 at 230V)	200,000 switching cycles
Contact Reliability	One incorrect switching operation per 100 million operations (17V, 1mA)
Insulation Voltage	690V
Surge Voltage Resistance	6kV
Number of NC Contacts	4
Mounting Type	Snap-on mounting
Width	36mm
Height	41.5mm
Depth	47.7mm
Electrical Connection Type	Spring-loaded terminals
Connectable Conductor Cross-Sections	2x (0.5 ... 1.5 mm²) finely stranded with core end processing
Product Function (Mirror Contact)	No
Product Function (Positively Driven)	Yes, according to IEC 60947-5-1
Typical Applications	Used in industrial automation systems for reliable auxiliary switching
Special Features	High contact reliability, compact design, easy installation

The Siemens 3RH2911-2GA04 is a high-quality auxiliary switch block designed for use with contactor relays. This component features four normally closed (NC) contacts, making it ideal for applications requiring reliable and consistent switching operations. The switch block is part of the renowned SIRIUS series, known for its robust performance and durability.

Engineered to meet the demands of modern industrial environments, the 3RH2911-2GA04 offers a protection class of IP20 on the front, ensuring it is safeguarded against dust and other small particles. It operates efficiently within a wide ambient temperature range of -25°C to +60°C, and can be stored in temperatures as low as -55°C and as high as +80°C.

The auxiliary switch block boasts an impressive mechanical service life of up to 10 million switching cycles, and an electrical endurance of 200,000 cycles at AC-15, 230V. This ensures long-term reliability and minimal maintenance requirements. The switch block also features a high insulation voltage of 690V and a surge voltage resistance of 6kV, providing robust protection against electrical surges.

Installation is straightforward with its snap-on mounting design, and the spring-loaded terminals facilitate secure and efficient electrical connections. The switch block supports a variety of conductor cross-sections, including finely stranded and solid wires, with or without core end processing.

The Siemens 3RH2911-2GA04 is an essential component for enhancing the functionality and reliability of contactor relays in various industrial applications. Its superior build quality and performance make it a trusted choice for professionals seeking dependable auxiliary switching solutions.

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 primary function of this part?

This part is an auxiliary switch block designed for use with contactor relays, providing additional switching capabilities.

What type of terminals does this part use?

The part uses spring-loaded terminals for secure and reliable connections.

What is the protection class of this part?

The protection class on the front of this part is IP20.

What is the typical mechanical service life of this part?

The typical mechanical service life of this part is 10,000,000 switching cycles.

What is the rated insulation voltage for this part?

The rated insulation voltage for this part, with a degree of pollution 3, is 690 V.

What is the ambient temperature range for operation?

The ambient temperature range for operation is -25 to +60 degrees Celsius.

How many normally closed (NC) contacts does this part have?

This part has four normally closed (NC) contacts.

What is the electrical endurance at AC-15 at 230 V?

The electrical endurance at AC-15 at 230 V is typically 200,000 switching cycles.

What are the dimensions of this part?

The dimensions are 36 mm in width, 41.5 mm in height, and 47.7 mm in depth.

Is this part suitable for use with contactor relays?

Yes, this part is specifically designed for use with contactor relays.

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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