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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.
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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.
