Image shown may not reflect the final product
Siemens
3RH2911-1HA21
Marvo Stock ID: MV-7CF5Used
£27.60 (ex. VAT)
Excellent
Siemens
If ordered within 00:00:00
Accepted payment methods:
Martin Ruml
‘Rapid delivery.’
Irene
‘Fast delivery and prompt action.’
Trusted by
Specifications
| Specification | Description |
|---|---|
| Part Number | 3RH2911-1HA21 |
| Alternative Part Number | 3RH29111HA21 |
| Manufacturer | Siemens |
| Part Type | Auxiliary Switch Block |
| Voltage | 690 V (Insulation) |
| Configuration | 2NO/1NC |
| Current Rating | 10 A |
| Dimensions | 36 x 43.7 x 37.5 mm |
| Mounting Type | Snap-On |
| Ambient Temperature (Operation) | -25°C to +60°C |
| Ambient Temperature (Storage) | -55°C to +80°C |
| 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 |
| Surge Voltage Resistance | Rated value 6 kV |
| Protection Class IP on the Front | IP20 |
| Suitability for Use | Contactor relay and power contactor |
| Auxiliary Circuit | 1 NC contact for auxiliary contacts (instantaneous contact) |
| Product Function | Mirror contact according to IEC 60947-4-1 and positively driven operation according to IEC 60947-5-1 |
| Commodity Code | 853650 |
The Siemens 3RH2911-1HA21 is a robust and reliable auxiliary switch block designed for industrial applications. With a snap-on mounting type, it offers easy installation and a secure fit. The switch block operates efficiently within a wide range of ambient temperatures, ensuring reliable performance in various environments. It boasts a high mechanical service life and electrical endurance, making it a durable choice for your system. The switch block also features a high insulation voltage and surge voltage resistance, providing excellent protection against electrical disturbances. With its IP20 protection class, it is designed to keep out solid objects larger than 12.5 mm. The switch block is suitable for use with contactor relays and power contactors, offering versatility in application. It also complies with IEC standards for mirror contact and positively driven operation, ensuring safety and reliability in operation.
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
Marvo Approved
A seal of quality that ensures each part is fully inspected, every time. Purchase with confidence thanks to Marvo Approved.
Full warranty
All parts are covered by a comprehensive warranty. If something goes wrong, I’ll put it right.
Priority delivery
Advanced tracking and a streamlined delivery process ensure that you get your part, fast.
Committed to you
Engineered to ensure that you always have a quick, easy and reliable place to source automation and control components.
3RH2911-1HA21 Product Description
The Siemens 3RH2911-1HA21 is a robust and reliable auxiliary switch block, designed to offer superior performance in a variety of industrial applications. This compact device, measuring 36 x 43.7 x 37.5 mm, is engineered to withstand insulation voltages up to 690V, making it a safe and dependable choice for your electrical systems.
The switch block features a snap-on mounting type for easy installation and screw-type terminals for secure connections. It comes with 2NO/1NC contacts, providing flexibility in controlling your circuits. The device is capable of enduring up to 10 million mechanical switching cycles and 200,000 electrical endurance cycles at AC-15 at 230V, ensuring long-lasting operation.
With an ambient operating temperature range of -25 to +60 degrees Celsius, the Siemens 3RH2911-1HA21 can perform optimally in various environmental conditions. It also boasts safety-related features such as mirror contact and positively driven operation according to IEC standards, enhancing its reliability.
Whether you're upgrading your existing system or building a new one, the Siemens 3RH2911-1HA21 auxiliary switch block is a high-quality component that delivers consistent, efficient performance.
Frequently Asked Questions
What is the insulation voltage of this auxiliary switch block?
The insulation voltage of this Siemens auxiliary switch block is rated at 690 V, making it suitable for a variety of industrial applications.
What is the operating temperature range of this part?
This auxiliary switch block can operate effectively in temperatures ranging from -25°C to +60°C. It can be stored in temperatures between -55°C and +80°C.
What is the mechanical service life of this part?
The mechanical service life of this Siemens auxiliary switch block is typically 10 million switching cycles, ensuring long-lasting performance.
What are the dimensions of this auxiliary switch block?
The dimensions of this part are 36 mm in width, 37.5 mm in height, and 43.7 mm in depth.
What type of mounting does this part use?
This auxiliary switch block uses snap-on mounting for easy installation.
What is the contact reliability of this part?
The contact reliability of this auxiliary switch block is one incorrect switching operation of 100 million switching operations (17 V, 1 mA).
What is the operating current of the auxiliary contacts at AC-12?
The operating current of the auxiliary contacts at AC-12 is 10 A at both 24 V and 230 V.
What is the surge voltage resistance of this part?
The surge voltage resistance of this Siemens auxiliary switch block is rated at 6 kV.
What is the type of electrical connection for the auxiliary and control current circuit?
The Siemens auxiliary switch block uses screw-type terminals for the auxiliary and control current circuit.
Does this part have a mirror contact according to IEC 60947-4-1?
Yes, this Siemens auxiliary switch block does have a mirror contact according to IEC 60947-4-1.
