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
3RH1911-2FA31
Siemens 3RH1911-2FA31 available at EU Automation. Get in touch today for a quick price.
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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 3RH1911-2FA31 is a high-quality auxiliary switch block designed for seamless integration with contactor relays and motor switches. This component is engineered to facilitate reliable switching operations within industrial control systems. It features a configuration of 3 normally open (NO) and 1 normally closed (NC) contacts, adhering to the DIN EN50005 standard, and offers a cage clamp connection for secure and straightforward installation.
Crafted for durability and performance, the switch block operates efficiently across a wide range of ambient temperatures, from as low as -25°C to as high as +60°C, ensuring consistent functionality in diverse working environments. The unit boasts an impressive mechanical operating cycle of typically 10 million operations, and an electrical operating cycle of 200,000 at AC-15 at 230V, highlighting its robustness and longevity.
The 3RH1911-2FA31 auxiliary switch block is compact with dimensions of 36.5mm in width, 37.5mm in height, and 46mm in depth, making it a space-efficient choice for panel builders and system integrators. Its spring-loaded terminals accommodate various conductor cross-sections, ensuring compatibility with a range of wiring configurations.
With an insulation voltage rated at 690V and impulse voltage resistance of 6kV, the switch block is designed to maintain electrical integrity and safety. It also features mirror contacts to IEC 60947-4-1 and positively driven operation to IEC 60947-5-1, further enhancing its operational reliability.
The Siemens 3RH1911-2FA31 is a testament to Siemens' commitment to quality and innovation, providing a dependable solution for industrial control applications that require precise auxiliary switching.
Crafted for durability and performance, the switch block operates efficiently across a wide range of ambient temperatures, from as low as -25°C to as high as +60°C, ensuring consistent functionality in diverse working environments. The unit boasts an impressive mechanical operating cycle of typically 10 million operations, and an electrical operating cycle of 200,000 at AC-15 at 230V, highlighting its robustness and longevity.
The 3RH1911-2FA31 auxiliary switch block is compact with dimensions of 36.5mm in width, 37.5mm in height, and 46mm in depth, making it a space-efficient choice for panel builders and system integrators. Its spring-loaded terminals accommodate various conductor cross-sections, ensuring compatibility with a range of wiring configurations.
With an insulation voltage rated at 690V and impulse voltage resistance of 6kV, the switch block is designed to maintain electrical integrity and safety. It also features mirror contacts to IEC 60947-4-1 and positively driven operation to IEC 60947-5-1, further enhancing its operational reliability.
The Siemens 3RH1911-2FA31 is a testament to Siemens' commitment to quality and innovation, providing a dependable solution for industrial control applications that require precise auxiliary switching.
| Specification | Description |
|---|---|
| Part Number | 3RH1911-2FA31 |
| Alternative Part Number | 3RH19112FA31 |
| Manufacturer | Siemens |
| Product Brand Name | SIRIUS |
| Type | Auxiliary Switch Block |
| Configuration | 3 Normally Open (NO) + 1 Normally Closed (NC) contacts |
| Connection Type | Cage Clamp Connection |
| Mounting Type | Snap-on Mounting |
| Suitable For | Contactor Relays and Contactors for Switching Motors |
| Size | S00 |
| Operating Voltage | Up to 690 V Insulation Voltage |
| Impulse Voltage Resistance | Rated at 6 kV |
| Operating Current for AC-12 | 10 A at 24 V / 230 V |
| Operating Current for AC-15 | 6 A at 24 V / 230 V, 3 A at 400 V, 1 A at 690 V |
| Operating Current for DC-12 | 10 A at 24 V / 60 V, 4 A at 110 V, 2 A at 220 V |
| Operating Current for DC-13 | 6 A at 24 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Electrical Operating Cycles | Typically 200,000 at AC-15 / 230 V |
| Ambient Operating Temperature | -25 to +60 °C during operation |
| Storage Temperature | -55 to +80 °C |
| Protection Class | IP20 on the front |
| Width | 36.5 mm |
| Height | 37.5 mm |
| Depth | 46 mm |
| Safety Features | Mirror contact according to IEC 60947-4-1, Positively driven operation according to IEC 60947-5-1 |
| Approvals | General Product Approval, Functional Safety/Safety of Machinery, Type Examination |
What is the function of an auxiliary switch block?
An auxiliary switch block is used to provide additional contact combinations for control and signalling functions within a control system. It is typically used in conjunction with contactor relays and power contactors for switching motors.
Can this auxiliary switch block be used in safety applications?
Yes, the 3RH1911-2FA31 auxiliary switch block is designed with features such as mirror contacts and positively driven operation, making it suitable for use in safety-related applications.
What type of connections does this auxiliary switch block support?
The auxiliary switch block supports cage clamp connections, which provide a secure and reliable connection for the auxiliary and control current circuits.
What are the environmental operating conditions for this auxiliary switch block?
The auxiliary switch block can operate within an ambient temperature range of -25°C to +60°C for operating conditions, and -55°C to +80°C for storage conditions.
How many mechanical operating cycles can this auxiliary switch block withstand?
The auxiliary switch block is designed for typically 10 million mechanical operating cycles, indicating its durability and reliability for long-term use.
What is the insulation voltage rating for this auxiliary switch block?
The insulation voltage rating for the auxiliary switch block is 690V with a degree of pollution 3, ensuring it can handle high-voltage environments safely.
What is the impulse voltage resistance of this auxiliary switch block?
The impulse voltage resistance of the auxiliary switch block is rated at 6kV, which helps to protect the circuit from voltage spikes.
What are the dimensions of this auxiliary switch block?
The dimensions of the auxiliary switch block are 36.5mm in width, 37.5mm in height, and 46mm in depth, making it compact and suitable for various installation environments.
What is the protection class of this auxiliary switch block?
The protection class for the front of the auxiliary switch block is IP20, which provides protection against solid objects larger than 12.5mm but not against liquids.
How many auxiliary contacts does this switch block have?
The auxiliary switch block has 3 normally open (NO) contacts and 1 normally closed (NC) contact, providing flexibility in control circuit design.
- Integration into control circuits for industrial machinery
- Auxiliary switching for contactor relays in motor control systems
- Use in automation systems for switching signals
- Implementation in control panels for auxiliary circuit management
- Application in conveyor systems for start/stop operations
- Inclusion in HVAC systems for controlling various functions
- Utilisation in packaging equipment for precision operations
- Deployment in manufacturing lines for process control
- Installation in electrical distribution systems for auxiliary contacts
- Incorporation in control systems for pumps and compressors
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.
4 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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