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 weeks ago
3RH2911-2FA22
Siemens 3RH2911-2FA22 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 3RH2911-2FA22 is a meticulously engineered auxiliary switch designed to enhance the functionality of contactor relays and power contactors. This switch is a vital component for industrial control systems, offering a reliable solution for various switching operations. With a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, it provides flexibility for a wide range of applications.
Constructed to withstand challenging industrial environments, the 3RH2911-2FA22 operates efficiently within an ambient temperature range of -25 to +60 degrees Celsius, ensuring consistent performance even in extreme conditions. The switch boasts an impressive mechanical service life of approximately 10 million switching cycles, highlighting its durability and long-term reliability.
The auxiliary switch is rated for an insulation voltage of 690V, with a surge voltage resistance of 6kV, which is indicative of its robust design and its ability to handle high-voltage applications with ease. The spring-loaded terminals facilitate a secure and straightforward installation process, making it a user-friendly option for professionals.
This Siemens auxiliary switch is not only built to last but also designed with safety in mind, featuring mirror contacts according to IEC 60947-4-1 and positively driven operation in compliance with IEC 60947-5-1. These features ensure that the switch operates safely and predictably, which is crucial for maintaining the integrity of the control system it is part of.
The compact dimensions of the 3RH2911-2FA22, with a width of 36mm, height of 41.5mm, and depth of 47.7mm, allow for efficient use of space within control cabinets, making it an excellent choice for applications where space is at a premium.
Overall, the Siemens 3RH2911-2FA22 auxiliary switch is a testament to Siemens' commitment to quality, reliability, and safety in industrial control components. It is an essential part of any system where precise control and long-term dependability are paramount.
Constructed to withstand challenging industrial environments, the 3RH2911-2FA22 operates efficiently within an ambient temperature range of -25 to +60 degrees Celsius, ensuring consistent performance even in extreme conditions. The switch boasts an impressive mechanical service life of approximately 10 million switching cycles, highlighting its durability and long-term reliability.
The auxiliary switch is rated for an insulation voltage of 690V, with a surge voltage resistance of 6kV, which is indicative of its robust design and its ability to handle high-voltage applications with ease. The spring-loaded terminals facilitate a secure and straightforward installation process, making it a user-friendly option for professionals.
This Siemens auxiliary switch is not only built to last but also designed with safety in mind, featuring mirror contacts according to IEC 60947-4-1 and positively driven operation in compliance with IEC 60947-5-1. These features ensure that the switch operates safely and predictably, which is crucial for maintaining the integrity of the control system it is part of.
The compact dimensions of the 3RH2911-2FA22, with a width of 36mm, height of 41.5mm, and depth of 47.7mm, allow for efficient use of space within control cabinets, making it an excellent choice for applications where space is at a premium.
Overall, the Siemens 3RH2911-2FA22 auxiliary switch is a testament to Siemens' commitment to quality, reliability, and safety in industrial control components. It is an essential part of any system where precise control and long-term dependability are paramount.
| Specification | Description |
|---|---|
| Part Number | 3RH2911-2FA22 |
| Alternative Part Number | 3RH29112FA22 |
| Manufacturer | Siemens |
| Product Type | Auxiliary Switch |
| Rated Insulation Voltage | 690 V AC with degree of pollution 3 |
| Rated Operational Voltage | 600 V DC |
| Number of Contacts | 2 Normally Open (NO), 2 Normally Closed (NC) |
| Contact Configuration | Current path: 1NO, 1NC, 1NC, 1NO |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Electrical Operating Cycles | Typical 200,000 at AC-15, at 230 V |
| Contact Reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Ambient Operating Temperature Range | -25 to +60 °C during operation, -55 to +80 °C during storage |
| Protection Class | IP20 on the front |
| Mounting Type | Snap-on mounting |
| Dimensions (Width x Height x Depth) | 36 mm x 41.5 mm x 47.7 mm |
| Connection Type | Spring-loaded terminals |
| Suitable for Use With | Contactor relay and power contactor |
| Product Brand Name | SIRIUS |
| Surge Voltage Resistance | Rated value 6 kV |
| Commodity Code | 85365080 |
| Special Features | Mirror contact according to IEC 60947-4-1, Positively driven operation according to IEC 60947-5-1 |
What is the voltage rating for this auxiliary switch?
The auxiliary switch is rated for an insulation voltage of 690 V AC with a degree of pollution 3, and it has an impulse voltage resistance rated at 6 kV.
Can this auxiliary switch be used with both AC and DC circuits?
Yes, the auxiliary switch is suitable for use in both AC and DC circuits. It has operational current ratings specified for AC-12, AC-14, AC-15, and DC-12 categories.
What are the ambient temperature limits for operating this auxiliary switch?
The switch can operate within an ambient temperature range of -25 to +60 degrees Celsius, and it can be stored in temperatures ranging from -55 to +80 degrees Celsius.
What is the mechanical service life of this auxiliary switch?
The mechanical service life of the switch is typically 10 million switching cycles, indicating its durability and longevity in applications.
How many NO and NC contacts does the auxiliary switch have?
The auxiliary switch features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts.
What type of terminals does the auxiliary switch have for connection?
The switch is equipped with spring-loaded terminals, which allow for quick and secure connections.
What is the product brand name associated with this auxiliary switch?
The auxiliary switch is part of the SIRIUS product brand.
What is the IP protection class of the auxiliary switch?
The switch has an IP20 protection class rating on the front, providing protection against solid objects larger than 12.5 mm.
Is the auxiliary switch compatible with contactor relays and power contactors?
Yes, the switch is designed for use with contactor relays and power contactors, enhancing their functionality.
Does the auxiliary switch have any specific product functions related to safety?
Yes, the switch includes a mirror contact function according to IEC 60947-4-1 and positively driven operation according to IEC 60947-5-1, ensuring reliable performance in safety-related applications.
- Control panel assemblies for industrial machinery
- Auxiliary contact blocks for motor starters and contactor relays
- Interface modules for automation systems
- Safety interlock circuits
- Control and signalling devices in electrical distribution systems
- Feedback circuits for status indication of electrical equipment
- Retrofitting existing electrical control systems for enhanced functionality
- Elevator and escalator control systems
- Packaging and material handling equipment
- HVAC control circuits in building management systems
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.
2 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!
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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!
2 months ago
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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.
3 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!
4 months ago
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