steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
3RH2911-1BA01
Siemens 3RH2911-1BA01 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RH2911-1BA01 is a high-quality auxiliary switch block designed for seamless integration with contactor relays and power contactors. This component is part of the renowned SIRIUS range, known for its reliability and efficiency in industrial applications. The switch block features a single normally closed (NC) contact, providing dependable performance in controlling electrical circuits. It is equipped with a screw terminal connection for secure and straightforward installation. With an IP20 protection rating, it is suitable for use in environments where basic protection against dust and touch is required. The Siemens 3RH2911-1BA01 is engineered to withstand a wide range of operating temperatures, from -25°C to +60°C, ensuring consistent functionality in various conditions. Its robust design supports up to 10 million mechanical operating cycles, making it a durable choice for long-term use. Ideal for use in motor control and automation systems, this auxiliary switch block offers exceptional contact reliability, with a low failure rate of one incorrect switching operation per 100 million operations.
| Specification | Description |
|---|---|
| Product Brand | SIRIUS |
| Suitability | Designed for use with contactor relays and power contactors |
| Protection Class | IP20 on the front |
| Ambient Temperature | Storage: -55°C to +80°C; 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 |
| Contact Reliability | One incorrect switching operation per 100 million operations (17 V, 1 mA) |
| Insulation Voltage | Rated value of 690 V with degree of pollution 3 |
| Surge Voltage Resistance | Rated value of 6 kV |
| Auxiliary Circuit | 1 NC contact for auxiliary contacts, instantaneous contact |
The Siemens 3RH2911-1BA01 is a robust auxiliary switch block designed for integration with contactor relays and power contactors. It offers a high level of reliability and durability, with a mechanical service life of up to 10 million switching cycles. The unit is built to withstand a wide range of temperatures, making it suitable for various industrial environments. With a protection class of IP20 on the front, it ensures a basic level of protection against solid objects. The switch block is engineered to deliver consistent performance, with an electrical endurance of 200,000 cycles at AC-15 at 230 V. Its design includes a single normally closed (NC) contact for auxiliary circuits, providing reliable operation in demanding applications.
What is the primary function of this part?
This part is an auxiliary switch block designed for use with contactor relays and power contactors, providing a reliable switching operation.
What is the protection class of this part?
The protection class on the front of this part is IP20, which means it is protected against solid objects over 12mm and does not have protection against water.
What are the ambient temperature ranges for operation and storage?
The ambient temperature range for operation is -25 to +60 degrees Celsius, and for storage, it is -55 to +80 degrees Celsius.
What is the mechanical service life of this part?
The mechanical service life of this part is typically 10,000,000 switching cycles.
What is the electrical endurance of this part at AC-15 at 230 V?
The electrical endurance at AC-15 at 230 V is typically 200,000 switching cycles.
How reliable are the auxiliary contacts?
The auxiliary contacts have a contact reliability of one faulty switching per 100 million operations at 17 V, 1 mA.
What is the rated insulation voltage for this part?
The rated insulation voltage with a degree of pollution 3 is 690 V.
What is the surge voltage resistance of this part?
The surge voltage resistance of this part is rated at 6 kV.
How many normally closed (NC) contacts does this part have?
This part has one instantaneous normally closed (NC) contact.
What is the operational current of the auxiliary contacts at AC-12 at 230 V?
The operational current of the auxiliary contacts at AC-12 at 230 V is 10 A.
- Used in industrial automation systems for controlling auxiliary circuits.
- Commonly integrated into contactor relay assemblies for enhanced control.
- Suitable for use in motor control applications to manage auxiliary functions.
- Employed in electrical panels for switching and control tasks.
- Utilized in machinery for reliable auxiliary contact operations.
- Ideal for environments requiring high mechanical and electrical endurance.
- Applied in systems where contact reliability is critical for auxiliary operations.
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
5 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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