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Siemens 3RH1911-1HA22

Name: 3RH1911-1HA22
Brand: Siemens
SKU: 3RH1911-1HA22
Price: 19.27 GBP
Availability: InStock

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£19.27 (ex. VAT)

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Marvo Stock ID MV-1ZWU

HS Code 85365080

SKU 3RH1911-1HA22

Condition Used

Warranty 12 months

Weight (kg) 1.00

Length (mm) 70.00

Width (mm) 60.00

Height (mm) 60.00

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	3RH1911-1HA22
Alternative Part Number	3RH19111HA22
Manufacturer	Siemens
Product Type	Auxiliary Switch Block
Rated Voltage	690 V
Number of Contacts	4 (2NO/2NC)
Contact Type	Instantaneous
Connection Type	Screw Connection
Suitable For	Contactors for Switching Motors
Mounting Type	Snap-on Mounting
Mechanical Service Life	Typically 10,000,000 Switching Cycles
Electrical Endurance	Typically 200,000 Switching Cycles at AC-15, 230 V
Contact Reliability	One incorrect switching operation of 100 million switching operations (17 V, 5 mA)
Insulation Voltage	Rated value 690 V with degree of pollution 3
Surge Voltage Resistance	Rated value 6 kV
Ambient Operating Temperature	-25 ... +60 °C during operation
Storage Temperature	-55 ... +80 °C
Protection Class	IP20 on the front
Commodity Code	853650
Dimensions (W x H x D)	36.5 mm x 37.5 mm x 41.5 mm
Product Approvals	General Product Approval, Functional Safety / Safety of Machinery, Declaration of Conformity

The Siemens 3RH1911-1HA22 is a high-quality auxiliary switch block designed to complement contactors used for motor switching applications. This switch block features a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, making it a versatile choice for various control and signalling circuits in industrial settings. With a rated insulation voltage of 690 V and a surge voltage resistance of 6 kV, it ensures reliable operation even under demanding conditions.

Crafted for durability, the 3RH1911-1HA22 boasts a mechanical service life of approximately 10 million switching cycles, and an electrical endurance that typically reaches 200,000 cycles at AC-15, 230 V. This robustness translates to a dependable performance and a reduced need for maintenance.

The switch block is designed with a screw connection, facilitating secure and stable wiring. It also features snap-on mounting for ease of installation, allowing for quick integration into existing systems without the need for extensive modifications. The compact dimensions of the switch block ensure it does not occupy excessive space within control cabinets, making it an efficient choice for space-constrained environments.

The 3RH1911-1HA22 is part of the SIRIUS product family, which is renowned for its quality and reliability in automation and control applications. This auxiliary switch block is suitable for use with both contactor relays and power contactors, providing a high degree of flexibility for engineers and technicians when designing control systems.

With its combination of reliability, ease of use, and Siemens' reputation for engineering excellence, the 3RH1911-1HA22 auxiliary switch block is an essential component for those seeking to enhance the functionality and efficiency of their motor control applications.

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.

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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 voltage rating for this auxiliary switch block?

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

Can you describe the contact configuration of this component?

This component features a 2NO (normally open) + 2NC (normally closed) contact configuration.

What type of connection does this auxiliary switch block support?

It supports a screw connection for secure and reliable installation.

Is this auxiliary switch block suitable for use with motor contactors?

Yes, it is designed for use with contactors for switching motors, providing additional control and protection.

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

The typical mechanical service life of the switch block is 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 is typically around 200,000 switching cycles.

What is the insulation voltage rating for this component?

The insulation voltage rating with a degree of pollution 3 is 690 V.

How many auxiliary contacts does this switch block have?

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

What is the protection class of the front side of this auxiliary switch block?

The front side of the auxiliary switch block has a protection class of IP20.

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

The switch block can operate within an ambient temperature range of -25°C to +60°C.

What type of mounting does this auxiliary switch block utilise?

It utilises snap-on mounting for easy and quick installation.

Does this switch block have any certifications or approvals?

Yes, it has general product approvals and may have other specific certifications, which can be checked in the product documentation.

Part conditions explained

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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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