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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1911-1FA22 |
| Alternative Part Number | 3RH19111FA22 |
| Manufacturer | Siemens |
| Part Description | This is a Siemens Auxiliary Switch Block with a voltage rating of 690 V. |
| Short Description | The part is an auxiliary switch block, 22 2 NO + 2 NC EN 50005 with a screw terminal size S00. |
| Commodity Code | 85365080 |
| Country of Origin | Not specified |
The Siemens 3RH1911-1FA22 is a robust and reliable auxiliary switch block designed to enhance the functionality of your contactor relays and motor contactors. This switch block features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, conforming to EN 50005 standards. It utilises a screw terminal connection and is suitable for size S00 devices.
With an insulation voltage rated at 690V and a surge voltage resistance rated at 6kV, this auxiliary switch block ensures safe and efficient operation in various industrial environments. 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, making it a durable choice for your automation needs.
The 3RH1911-1FA22 is part of the renowned Siemens SIRIUS product range, known for its high-quality and performance. It operates effectively within an ambient temperature range of -25 to +60 degrees Celsius, making it versatile for use in a wide range of conditions.
Please note, this auxiliary switch block has a protection class IP20 on the front, ensuring it is protected against touch by fingers and similar objects.
Incorporate the Siemens 3RH1911-1FA22 auxiliary switch block into your system for enhanced control and reliability.
Commonly Asked Questions
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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.
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Frequently Asked Questions
What is the function of this Siemens Auxiliary Switch Block?
The Siemens 3RH1911-1FA22 is an auxiliary switch block designed to work with contactor relays and motor contactors. It helps in controlling the flow of electricity and ensuring the safe operation of the connected devices.
What are the technical specifications of this Auxiliary Switch Block?
This Auxiliary Switch Block operates at an insulation voltage of 690V with a surge voltage resistance of 6kV. It has an ambient operating temperature range of -25 to +60 degrees Celsius and a storage temperature range of -55 to +80 degrees Celsius. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts.
What is the mechanical service life of this part?
The Siemens 3RH1911-1FA22 has a mechanical service life of approximately 10 million switching cycles, making it a durable and reliable choice for your industrial automation needs.
What is the electrical endurance of this Auxiliary Switch Block?
At AC-15 at 230V, the Siemens 3RH1911-1FA22 has an electrical endurance of approximately 200,000 switching cycles.
What is the protection class of this part?
The Siemens 3RH1911-1FA22 Auxiliary Switch Block has a protection class IP20 on the front, which means it is protected against solid objects larger than 12.5mm but is not protected against liquids.
What is the size of this Auxiliary Switch Block?
This Auxiliary Switch Block is of size S00 according to the Siemens classification. This makes it compact and suitable for various industrial applications.
What is the contact reliability of this part?
The Siemens 3RH1911-1FA22 has a contact reliability of one incorrect switching operation of 100 million switching operations at 17V, 5mA. This ensures high reliability in its operation.
Part conditions explained
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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.
