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Siemens 3RH1911-2HA12

Name: 3RH1911-2HA12
Brand: Siemens
SKU: 3RH1911-2HA12
Price: 33.8 GBP
Availability: InStock

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£33.80 (ex. VAT)

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Marvo Stock ID MV-7C7J

HS Code 85365080

SKU 3RH1911-2HA12

Condition New unboxed

Warranty 12 months

Weight (kg) 1.00

Length (mm) 260.00

Width (mm) 210.00

Height (mm) 180.00

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More about this product

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	3RH1911-2HA12
Alternative Part Number	3RH19112HA12
Manufacturer	Siemens
Product Type	Auxiliary Switch Block
Rated Insulation Voltage	690 V
Mounting Type	Snap-On Mount
Contact Configuration	1NO (Normally Open) + 2NC (Normally Closed)
Protection Class	IP20
Operating Cycles	10,000,000 mechanical operating cycles
Rated Operating Current	10 A at 24 V AC-15
Dimensions (W x H x D)	36 x 42 x 38 mm
Ambient Operating Temperature Range	-25 … +60 °C during operation
Insulation Voltage	Rated at 690 V with degree of pollution 3
Impulse Voltage Resistance	Rated at 6 kV
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
Safety Features	Mirror contact to IEC 60947-4-1, Positively driven operation to IEC 60947-5-1
Commodity Code	853650

The Siemens 3RH1911-2HA12 is a high-quality auxiliary switch block designed for seamless integration with contactors used in motor switching applications. This component is engineered to facilitate reliable and efficient control within electrical circuits, boasting a robust construction that ensures durability and longevity.

With an insulation voltage rated at 690V and an IP20 protection class, this auxiliary switch block is suitable for a wide range of industrial environments. It features a convenient snap-on mounting design, which allows for quick and easy installation without the need for additional tools or complex procedures.

The 3RH1911-2HA12 is equipped with 1 normally open (NO) and 2 normally closed (NC) contacts, providing versatility in configuring control circuits. These contacts are capable of handling operating currents up to 10A at 24V in AC-12 applications, ensuring compatibility with various load requirements.

Measuring 36 x 42 x 38 mm, this compact auxiliary switch block is designed to fit neatly alongside other components within a control panel, optimising space without compromising on functionality. The spring-loaded terminals offer a secure and reliable connection for auxiliary and control current circuits, accommodating a range of conductor sizes for flexible installation options.

This Siemens auxiliary switch block is a testament to the brand's commitment to quality, offering a mechanical operating life of approximately 10 million cycles, which translates to dependable performance over an extended period. It is an essential component for professionals seeking a reliable solution for enhancing the control and safety of their motor 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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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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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 voltage rating for the auxiliary switch block?

The auxiliary switch block is rated for an insulation voltage of up to 690 V.

Can this auxiliary switch block be mounted on a DIN rail?

Yes, the auxiliary switch block is designed for snap-on mounting, which is compatible with DIN rail systems.

What is the IP protection class of this auxiliary switch block?

The IP protection class for the front of this auxiliary switch block is IP20.

What are the contact configurations available in this auxiliary switch block?

This auxiliary switch block comes with 1 Normally Open (NO) and 2 Normally Closed (NC) contact configurations.

What is the typical number of mechanical operating cycles for this auxiliary switch block?

The typical number of mechanical operating cycles for the 3RH1911-2HA12 is 10 million.

What are the dimensions of this auxiliary switch block?

The dimensions of the auxiliary switch block are 36 mm in width, 42 mm in height, and 38 mm in depth.

What type of terminals does this auxiliary switch block have for electrical connections?

The auxiliary switch block features spring-loaded terminals for the auxiliary and control current circuits.

Is this auxiliary switch block suitable for use with contactors for switching motors?

Yes, this auxiliary switch block is specifically designed for use with contactors for switching motors.

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

The operating ambient temperature range for this auxiliary switch block is from -25°C to +60°C.

Does this auxiliary switch block have mirror contacts according to IEC 60947-4-1?

Yes, this auxiliary switch block has mirror contacts in compliance with IEC 60947-4-1 standards.

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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