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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH2911-1FA40 |
| Alternative Part Number | 3RH29111FA40 |
| Manufacturer | Siemens |
| Ambient Temperature (Storage) | -55°C to +80°C |
| Ambient Temperature (Operation) | -25°C to +60°C |
| Protection Class IP (Front) | IP20 |
| Mechanical Service Life | 10,000,000 switching cycles (typical) |
| Electrical Endurance | 200,000 switching cycles at AC-15 at 230V (typical) |
| Insulation Voltage | 690V (with degree of pollution 3) |
| Surge Voltage Resistance | 6kV (rated value) |
| Auxiliary Circuit Contacts | 4 NO (instantaneous contact) |
| Contact Reliability | One incorrect switching operation of 100 million (17V, 1mA) |
| Suitability for Use | Contactor relay and power contactor |
| Connection Type | Screw terminal |
Introducing the Siemens 3RH2911-1FA40 Auxiliary Switch Block, a reliable and efficient component designed for seamless integration with contactor relays and power contactors. This high-quality auxiliary switch block features four Normally Open (NO) current paths, providing optimal performance and versatility for your industrial applications.
Designed with safety in mind, the 3RH2911-1FA40 boasts a protection class IP20 on the front, ensuring a secure and reliable connection. 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 auxiliary switch block is built to last, providing you with long-lasting performance and reliability.
Suitable for use in a wide range of ambient temperatures, the 3RH2911-1FA40 can operate between -25°C and +60°C, and can be stored between -55°C and +80°C. This robust auxiliary switch block is compatible with Siemens SIRIUS contactor relays and power contactors in sizes S00 and S0, making it an ideal choice for various industrial applications.
The Siemens 3RH2911-1FA40 Auxiliary Switch Block is equipped with screw terminals for easy installation and secure connections. Enhance your control systems with this reliable and efficient component, designed to meet the demands of modern industrial applications. Trust in Siemens' expertise and experience, and choose the 3RH2911-1FA40 Auxiliary Switch Block for your next project.
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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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.
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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 protection class IP on the front of this auxiliary switch?
The protection class IP on the front of the 3RH2911-1FA40 auxiliary switch is IP20.
What is the ambient temperature range for storage and operation?
For the 3RH2911-1FA40, the ambient temperature range during storage is -55°C to +80°C, and during operation, it is -25°C to +60°C.
What is the mechanical service life of this auxiliary switch?
The typical mechanical service life of the 3RH2911-1FA40 auxiliary switch is 10,000,000 switching cycles.
What is the electrical endurance of this part?
The electrical endurance of the 3RH2911-1FA40 auxiliary switch at AC-15 at 230V is typically 200,000 switching cycles.
What is the contact reliability of the auxiliary contacts?
The contact reliability of the auxiliary contacts in the 3RH2911-1FA40 is 1 faulty switching per 100 million (17 V, 1 mA).
What is the insulation voltage and surge voltage resistance of this part?
The insulation voltage of the 3RH2911-1FA40 with degree of pollution 3 is rated at 690V, and its surge voltage resistance is rated at 6kV.
How many NC and NO contacts does this auxiliary switch have?
The 3RH2911-1FA40 auxiliary switch has 0 NC (normally closed) contacts and 4 NO (normally open) contacts.
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.
