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Siemens 3RH1921-1CA01

Name: 3RH1921-1CA01
Brand: Siemens
SKU: 3RH1921-1CA01
Price: 18.76 GBP
Availability: InStock

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£18.76 (ex. VAT)

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Marvo Stock ID MV-1MV4

HS Code 85365080

SKU 3RH1921-1CA01

Condition Used

Warranty 12 months

Weight (kg) 0.02

Length (mm) 51.00

Width (mm) 10.00

Height (mm) 38.00

EAN 4011209281639

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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	3RH1921-1CA01
Alternative Part Number	3RH19211CA01
Manufacturer	Siemens
Voltage Rating	690 V ac, 600 V dc
Contact Configuration	1NC (Normally Closed)
Mounting Style	Snap-On
Location of Operation	Front-side
Commodity Code	85365080
Country of Origin	Not specified
Description	The Siemens 3RH1921-1CA01 is a front-side auxiliary switch block designed for reliable and efficient operation in various industrial applications. It features a snap-on mounting style for easy installation and a normally closed contact configuration. The switch block can handle voltage ratings of up to 690 V ac and 600 V dc, making it suitable for a wide range of electrical systems. Please note that the country of origin for this part is not specified.

The Siemens 3RH1921-1CA01 is a robust and reliable auxiliary switch block designed to enhance the functionality of your industrial control systems. This front-side auxiliary switch, with its 1 NC (Normally Closed) contact, is specifically engineered for use with contactors for switching motors. It features a snap-on mounting type and screw-type terminals for auxiliary and control current circuits, ensuring easy installation and secure connections.

With an insulation voltage of 690 V at AC and a surge voltage resistance of 6 kV, this auxiliary switch block is built to withstand demanding industrial environments. It operates efficiently within a temperature range of -25 to +60 °C, making it suitable for a wide range of applications.

The Siemens 3RH1921-1CA01 auxiliary switch block is part of the renowned SIRIUS product line, known for its high-quality and performance. It offers a mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230 V, ensuring long-lasting durability and reliability.

Whether you're upgrading your existing system or building a new one, the Siemens 3RH1921-1CA01 auxiliary switch block is a solid choice for enhancing control and safety in your industrial 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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Learn more about Marvo

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 of this Siemens Auxiliary Switch Block?

The Siemens Auxiliary Switch Block is rated for 690 V ac and 600 V dc.

How many NC contacts does this Auxiliary Switch Block have?

This Auxiliary Switch Block has 1 NC (Normally Closed) contact.

What type of connection does this Auxiliary Switch Block use?

This Auxiliary Switch Block uses a screw-type terminal for auxiliary and control current circuit.

What is the operating current of the auxiliary contacts at AC-15?

The operating current of the auxiliary contacts at AC-15 is 6 A.

What type of mounting does this Auxiliary Switch Block use?

This Auxiliary Switch Block uses snap-on mounting.

What is the purpose of this Auxiliary Switch Block?

The Siemens Auxiliary Switch Block, 3RH1921-1CA01, is used for contactors for switching motors. It provides an additional switching function.

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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