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Siemens 3RH1921-1FA22

Name: 3RH1921-1FA22
Brand: Siemens
SKU: 3RH1921-1FA22
Price: 11.06 USD
Availability: InStock

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$11.06

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Marvo Stock ID MV-1MGJ

HS Code 85365080

SKU 3RH1921-1FA22

Condition Used

Warranty 12 months

Weight (lbs) 2.20

Length (inches) 13.78

Width (inches) 9.84

Height (inches) 4.33

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Specification & Description

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	3RH1921-1FA22
Alternative Part Number	3RH19211FA22
Manufacturer	Siemens
Part Description	This is an auxiliary contact block from Siemens, with a configuration of 2 Normally Open (NO) and 2 Normally Closed (NC) contacts. It operates at a voltage of up to 690V.
Short Description	This is an attachable, 4-pole block with 2 NO and 2 NC contacts, conforming to EN 50005 standards. Please note that this product has been phased out and its successor is the SIRIUS 3RH2 series.
Commodity Code	85365080
Country of Origin	Not specified
Part Category	Not specified
Part Family	Not specified

The Siemens 3RH1921-1FA22 is a robust and reliable auxiliary contact block designed for industrial applications. This 4-pole attachable block features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, conforming to EN 50005 standards. It's part of the renowned SIRIUS product line, known for its high-quality and performance.

This part is designed to withstand a wide range of ambient temperatures, from -25°C to +60°C during operation and -55°C to +80°C during storage. It boasts an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V.

The 3RH1921-1FA22 is equipped with an insulation voltage of 690V with a degree of pollution 3 and a surge voltage resistance rated value of 6kV. It also offers a high level of contact reliability, with only one incorrect switching operation of 100 million switching operations (17V, 5mA).

Please note that this product has been phased out and its successor is the SIRIUS 3RH2. Despite this, the 3RH1921-1FA22 remains a popular choice for many due to its proven reliability and performance. It's an excellent choice for those in need of a dependable auxiliary contact block for their contactor relay and power contactor 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.

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 function of this Siemens Auxiliary Contact Block?

The Siemens Auxiliary Contact Block 3RH1921-1FA22 is an attachable block that is used in industrial control systems. It has 4 poles, 2 Normally Open (NO) and 2 Normally Closed (NC) contacts. It is designed to work with contactor relays and power contactors.

What are the technical specifications of this part?

This part operates with an insulation voltage of 690V and has a surge voltage resistance of 6kV. It can operate in temperatures ranging from -25 to +60 degrees Celsius and can be stored in temperatures from -55 to +80 degrees Celsius. It has a mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V.

What is the protection class of this part?

The Siemens Auxiliary Contact Block 3RH1921-1FA22 has a protection class IP20 on the front. This means it is protected against solid objects larger than 12.5mm but is not protected against liquids.

What is the product brand name of this part?

The product brand name of this part is SIRIUS.

What is the suitability for use of this part?

This part is suitable for use with contactor relay and power contactor.

What is the contact reliability of this part?

The contact reliability of the Siemens Auxiliary Contact Block 3RH1921-1FA22 is one incorrect switching operation of 100 million switching operations (17 V, 5 mA). The contact reliability of the auxiliary contacts is 1 faulty switching per 100 million (17 V, 1 mA).

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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