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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1911-1HA12 |
| Alternative Part Number | 3RH19111HA12 |
| Manufacturer | Siemens |
| Part Type | Auxiliary Switch Block |
| Mounting Type | Snap On Mount |
| Voltage | 690 V |
| Contact Configuration | 1 NO/2 NC |
| Protection Class | IP20 |
| Ambient Temperature (Storage) | -55°C to +80°C |
| Ambient Temperature (Operation) | -25°C to +60°C |
| Mechanical Service Life | 10,000,000 switching cycles |
| Electrical Endurance | 200,000 switching cycles at AC-15 at 230 V |
| Insulation Voltage | 690 V |
| Surge Voltage Resistance | 6 kV |
| Number of NC Contacts | 2 |
| Number of NO Contacts | 1 |
| Operating Current at AC-12 (24 V) | 10 A |
| Operating Current at AC-12 (230 V) | 10 A |
| Operating Current at AC-15 (24 V) | 6 A |
| Operating Current at AC-15 (230 V) | 6 A |
| Operating Current at AC-15 (400 V) | 3 A |
| Operating Current at AC-15 (690 V) | 1 A |
The Siemens 3RH1911-1HA12 is a robust and reliable Auxiliary Switch Block designed for optimal performance in industrial settings. This part, with a snap-on mount design, is electronically operated and is suitable for use with contactors for switching motors. It features 1 Normally Open (NO) and 2 Normally Closed (NC) contacts, providing versatility in various applications.
The switch block operates at a voltage of 690V and is designed to withstand ambient temperatures ranging from -25°C to +60°C during operation, and -55°C to +80°C during storage. This ensures its durability and reliability in a wide range of environments.
The 3RH1911-1HA12 is part of the Siemens SIRIUS product line, known for its high-quality and innovative industrial control products. With an IP20 protection class on the front, it offers a good level of protection against solid objects.
This part is compliant with DIN EN50012 standards, ensuring its quality and safety in industrial applications. Its mechanical service life is rated at a typical 10 million switching cycles, and its electrical endurance at AC-15 at 230V is rated at a typical 200,000 switching cycles.
The Siemens 3RH1911-1HA12 Auxiliary Switch Block is a reliable choice for your industrial control needs, offering durability, versatility, and the trusted quality of Siemens.
Commonly Asked Questions
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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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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 auxiliary switch block?
This auxiliary switch block is designed to be used with contactor relays and power contactors. It helps in controlling the flow of electricity in industrial automation systems.
What are the technical specifications of this part?
The part operates at a voltage of 690V and has a protection class IP20. It has 1 Normally Open (NO) and 2 Normally Closed (NC) contacts. It is designed for snap-on mounting.
What is the operating temperature range for this part?
The part can operate in temperatures ranging from -25°C to +60°C. It can be stored in temperatures ranging from -55°C to +80°C.
What is the mechanical service life of this part?
The mechanical service life of this part is typically 10 million switching cycles.
What is the electrical endurance of this part?
The electrical endurance of this part at AC-15 at 230V is typically 200,000 switching cycles.
What is the insulation voltage of this part?
The insulation voltage of this part with a degree of pollution 3 is 690V.
What is the surge voltage resistance of this part?
The surge voltage resistance of this part is 6kV.
What is the contact reliability of this part?
The contact reliability of this part is one incorrect switching operation of 100 million switching operations (17V, 5mA).
What is the operating current of the auxiliary contacts?
The operating current of the auxiliary contacts at AC-12 is 10A at both 24V and 230V.
What is the suitability for use of this part?
This part is suitable for use with contactor relays and power contactors.
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.
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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.
