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Siemens 3RH2911-2GA22

Name: 3RH2911-2GA22
Brand: Siemens
SKU: 3RH2911-2GA22
Price: 26.44 GBP
Availability: InStock

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£26.44 (ex. VAT)

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Marvo Stock ID MV-7CFS

HS Code 85365080

SKU 3RH2911-2GA22

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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Specification & Description

Specification	Description
Part Number	3RH2911-2GA22
Alternative Part Number	3RH29112GA22
Manufacturer	Siemens
Product Type	Auxiliary Switch
Mounting Type	Snap On Mount
Current Rating	10 A
Dimensions	36 x 52.6 x 41.5 mm
Number of Contacts	2 Normally Open (NO), 2 Normally Closed (NC)
Suitable For Use With	Contactor relays Size S00
Terminal Type	Spring-type terminal 53/54, 63/64, 73/74, 83/84
Mechanical Service Life	Typical 10,000,000 switching cycles
Electrical Endurance	Typical 200,000 switching cycles at AC-15, 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
Surge Voltage Resistance	Rated value 6 kV
Ambient Operating Temperature Range	-25 to +60 °C during operation, -55 to +80 °C during storage
Protection Class	IP20 on the front
Compliance	Physically coded; can be combined with contactor relays 3RH2140* and 3RH2440* (EN 50011)
Positively Driven Operation	Yes, according to IEC 60947-5-1 with 3RH2

The Siemens 3RH2911-2GA22 is a meticulously engineered auxiliary switch designed to enhance the functionality of contactor relays. This switch is part of the esteemed SIRIUS product line, renowned for its reliability and versatility in various industrial applications. With a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, it offers flexibility for a range of control tasks.

Crafted for front-side mounting, the switch boasts a compact form factor with dimensions of 36 x 52.6 x 41.5 mm, ensuring it can be integrated into systems without demanding excessive space. The spring-type terminals facilitate a secure and straightforward connection process, accommodating conductor cross-sections finely stranded with core end processing of 2x (0.5 ... 1.5 mm²) and without core end processing of 2x (0.5 ... 2.5 mm²).

The auxiliary switch is specifically designed to be compatible with contactor relays of sizes S00, and it can be combined with Siemens contactor relays 3RH2140* and 3RH2440*, adhering to the EN 50011 standard. This ensures a seamless integration with existing Siemens relay setups, providing a reliable expansion of control capabilities.

In terms of durability, the 3RH2911-2GA22 is built to last, with a mechanical service life of typically 10 million switching cycles and an electrical endurance at AC-15 at 230 V of typically 200,000 cycles. It operates within an ambient temperature range of -25 to +60 °C during operation and can withstand storage temperatures from -55 to +80 °C, making it suitable for challenging environments.

The switch is rated for an insulation voltage of 690 V with a degree of pollution 3 and has a surge voltage resistance rated value of 6 kV, ensuring it can handle the rigours of industrial electrical systems. The IP20 protection class on the front provides a basic level of protection against solid objects, making it suitable for use in controlled environments.

Overall, the Siemens 3RH2911-2GA22 auxiliary switch is a robust and reliable component that offers precise control for industrial applications, ensuring efficient and safe operation of contactor relay systems.

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.

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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.

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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?

The auxiliary switch is designed to be used with contactor relays for switching auxiliary circuits. It provides additional contacts for control and signalling purposes within electrical circuits.

Can this auxiliary switch be mounted directly onto a contactor relay?

Yes, it is designed for snap-on mounting directly onto the front of compatible contactor relays, specifically the 3RH2140* and 3RH2440* series according to EN 50011.

What are the contact configurations available in this auxiliary switch?

This auxiliary switch comes with 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility for various circuit configurations.

What is the rated operational current for the auxiliary contacts?

The rated operational current for the auxiliary contacts at AC-12 is 10 A for both 24 V and 230 V.

What is the mechanical service life of this auxiliary switch?

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

What type of terminals does this auxiliary switch have?

The auxiliary switch is equipped with spring-type terminals, which allow for secure and maintenance-free connections.

What is the insulation voltage rating for this auxiliary switch?

The insulation voltage rating for this auxiliary switch, with a degree of pollution 3, is 690 V.

What is the surge voltage resistance of this auxiliary switch?

The surge voltage resistance of this auxiliary switch is rated at 6 kV.

What are the dimensions of this auxiliary switch?

The dimensions of the auxiliary switch are 36 mm in width, 52.6 mm in height, and 41.5 mm in depth.

Is this auxiliary switch suitable for use in different environmental conditions?

Yes, it can operate within a wide range of ambient temperatures, from -25 °C up to +60 °C, and can be stored in temperatures ranging from -55 °C to +80 °C.

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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