Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
Image shown may not reflect the final product
Check similar products or call us on +44 20 4570 3439 for assistance
Express shipping
Lightning fast shipping if ordered within 00:00:00
Hassle-free returns
No hidden fees or duties
Swift dispatch and delivery
Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1921-1HA22 |
| Alternative Part Number | 3RH19211HA22 |
| Manufacturer | Siemens |
| Description | This is a Siemens Auxiliary Switch Block designed for motor contactors. It operates at a voltage of 690 V ac and 600 V dc. It features a snap-on mounting type and has 2NO/2NC contacts. The switch block is 4-pole and uses a screw terminal for connection. It is suitable for use with Size S0 to S3 contactors. |
| Short Description | Auxiliary switch block, 22, 2 NO + 2 NC, EN 50012, 4-pole, screw terminal, for motor contactors, Size S0 .. S3 |
| Country of Origin | Not specified |
| Commodity Code | 85365080 |
| Ambient Temperature | -25 to +60 °C during operation, -55 to +80 °C during storage |
| Protection Class IP on the Front | IP20 |
| Mechanical Service Life | Typical 10,000,000 switching cycles |
| Electrical Endurance | Typical 200,000 switching cycles at AC-15 at 230 V |
| Insulation Voltage | Rated value 690 V with degree of pollution 3 |
| Surge Voltage Resistance | Rated value 6 kV |
| Auxiliary Circuit | 2 NC contacts for auxiliary contacts (instantaneous contact), 2 NO contacts for auxiliary contacts (instantaneous contact) |
| Operating Current of the Auxiliary Contacts at AC-12 | 10 A at 24 V, 10 A at 230 V, maximum 10 A |
| Mounting Type | Snap-on mounting |
| Dimensions | Width: 44 mm, Height: 38 mm, Depth: 51 mm |
| Connections/Terminals | Screw-type terminals |
| Safety Related Data | Mirror contact acc. to IEC 60947-4-1: Yes, Positively driven operation acc. to IEC 60947-5-1: No |
The Siemens 3RH1921-1HA22 is a high-quality auxiliary switch block designed for optimal performance in industrial settings. This 4-pole, snap-on device is compatible with motor contactors of sizes S0 to S3. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, conforming to EN 50012 standards. The switch block operates efficiently within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliability in various working conditions. With an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V, this Siemens auxiliary switch block offers durability and longevity. Its screw terminals facilitate easy and secure connections, making it a practical choice for your automation needs. Please note, this is a phased-out product.
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.
Read more...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.
Read more...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.
Read more...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.
Read more...How do I create an account?
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.
Read more...Peace of mind with every purchase
Anna
‘I can recommend quick, efficient, and professional.’
Julien
‘Perfect quick delivery, good service.’
Thomas Roland Geaughan
‘Prompt and expert service. Ease of access to find the parts I needed.’
Blažej Knežo
‘Quick response and fast delivery of the product.’
Martin Juřica
‘Fast offer, short delivery time.’
Irene
‘Fast delivery and prompt action.’
Martin Juřica
‘Fast offer, short delivery time.’
Muswalin
‘Good packing, quickly delivery and responsible.’
Advance Lifts
‘Great customer service , we needed some assistance quickly and received it.’
Similar Products
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 description of this part?
This part is an Auxiliary Switch Block with a voltage rating of 690 V ac and 600 V dc. It has 2NO/2NC Snap-On configuration and is suitable for motor contactors of size S0 to S3.
What is the functionality of this part?
This part is designed to provide auxiliary switching for motor contactors. It has 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, making it versatile for various industrial applications.
What are the technical specifications of this part?
The part has an insulation voltage of 690V with a degree of pollution 3. It has a surge voltage resistance of 6kV. The part is designed for snap-on mounting and has screw-type terminals for auxiliary and control current circuit.
What is the operating temperature range for this part?
The part can operate effectively in a temperature range of -25 to +60 degrees Celsius. It can be stored in temperatures ranging from -55 to +80 degrees Celsius.
What is the mechanical service life of this part?
The part has a typical mechanical service life of 10 million switching cycles.
What is the electrical endurance of this part?
The part has an electrical endurance of 200,000 switching cycles at AC-15 at 230V.
What is the contact reliability of this part?
The part has a contact reliability of one incorrect switching operation of 100 million switching operations (17 V, 5 mA).
What is the size of this part?
The part has a width of 44mm, a height of 38mm, and a depth of 51mm.
What type of connection does this part use?
The part uses screw-type terminals for auxiliary and control current circuit.
Does this part have a mirror contact according to IEC 60947-4-1?
Yes, the 3RH1921-1HA22 part does have a mirror contact according to IEC 60947-4-1.
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.
