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Siemens

3RH1911-1GA22

£18.52 (ex. VAT)

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3RH1911-1GA22

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Marvo Stock ID MV-2G4Z
HS Code 85365080
SKU 3RH1911-1GA22
Condition Used
Warranty 12 months
Weight (kg) 0.04
Length (mm) 41.50
Width (mm) 36.50
Height (mm) 37.50

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Specification & Description

Specification Description
Part Number 3RH1911-1GA22
Alternative Part Number 3RH19111GA22
Manufacturer Siemens
Rated Insulation Voltage 690 V
Surge Voltage Resistance 6 kV
Number of Auxiliary Contacts 4 (2 NO + 2 NC)
Mounting Type Snap-on mounting
Width 36.5 mm
Height 37.5 mm
Depth 41.5 mm
Electrical Connection Screw-type terminals
Connectable Conductor Cross-section For auxiliary contacts: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Operating Current at AC-12 10 A at 24 V, 10 A at 230 V, 10 A maximum
Operating Current at AC-15 6 A at 24 V, 6 A at 230 V, 3 A at 400 V, 1 A at 690 V
Operating Current at DC-13 6 A at 24 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V
Mechanical Service Life 10 million switching cycles typical
Electrical Endurance 200,000 switching cycles at AC-15 at 230 V typical
Ambient Operating Temperature -25 ... +60 °C during operation
Storage Temperature -55 ... +80 °C
Protection Class IP20 on the front
Suitability for Use Contactor relay and power contactor
Product Function Mirror contact and positively driven operation according to IEC standards
Certifications General Product Approval, Functional Safety/Safety of Machinery, Declaration of Conformity

The Siemens 3RH1911-1GA22 is a high-quality auxiliary switch block designed to complement contactor relays and power contactors within industrial control systems. This component is engineered to facilitate reliable switching operations, boasting a mechanical service life of approximately 10 million cycles and an electrical endurance of 200,000 cycles at AC-15 at 230V, which is typical for devices of this nature.

Crafted with precision, the switch block features 2 normally open (NO) and 2 normally closed (NC) contacts, conforming to the DIN EN50011 standard. The robust screw connection ensures secure and stable wiring, making installation straightforward and maintenance minimal. With an insulation voltage rated at 690V and a surge voltage resistance of 6kV, the 3RH1911-1GA22 is built to withstand challenging electrical environments.

The compact dimensions, with a width of 36.5mm, height of 37.5mm, and depth of 41.5mm, allow for efficient use of space inside control cabinets. The snap-on mounting design further simplifies integration into existing systems. The switch block operates reliably within a broad range of ambient temperatures, from -25°C to +60°C during operation, ensuring consistent performance even in demanding conditions.

Safety is a paramount consideration, and this auxiliary switch block includes mirror contacts according to IEC 60947-4-1 and positively driven operation as per IEC 60947-5-1, enhancing the overall safety and reliability of the control system it is part of.

The Siemens 3RH1911-1GA22 auxiliary switch block is a testament to Siemens' commitment to quality, reliability, and innovation in industrial control technology. It is an essential component for professionals seeking to optimise their control systems for both performance and safety.

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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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.

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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.

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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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Frequently Asked Questions

What is the voltage rating for this auxiliary switch block?

The auxiliary switch block is rated for an insulation voltage of up to 690 V, with a degree of pollution 3.

Can this auxiliary switch block be used with both contactor relays and power contactors?

Yes, this auxiliary switch block is suitable for use with both contactor relays and power contactors.

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

The auxiliary switch block has an IP20 protection class on the front.

What are the ambient temperature limits for operating this auxiliary switch block?

The auxiliary switch block can operate within an ambient temperature range of -25 to +60 °C and can be stored in temperatures ranging from -55 to +80 °C.

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

The mechanical service life of the auxiliary switch block is typically around 10 million switching cycles.

What is the electrical endurance of this auxiliary switch block at AC-15, 230 V?

At AC-15, 230 V, the electrical endurance of the auxiliary switch block is typically 200,000 switching cycles.

How many NO and NC contacts does this auxiliary switch block have?

The auxiliary switch block has 2 normally open (NO) and 2 normally closed (NC) contacts.

What is the surge voltage resistance of this auxiliary switch block?

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

What type of mounting does this auxiliary switch block support?

This auxiliary switch block supports snap-on mounting for easy installation.

What are the dimensions of this auxiliary switch block?

The dimensions of the auxiliary switch block are 36.5 mm in width, 37.5 mm in height, and 41.5 mm in depth.

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

The auxiliary switch block uses screw-type terminals for its electrical connections.

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

Yes, the auxiliary switch block features mirror contacts according to IEC 60947-4-1.

Is the operation of this auxiliary switch block positively driven according to IEC 60947-5-1?

Yes, the auxiliary switch block has positively driven operation in accordance with IEC 60947-5-1.

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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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