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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
3RH2911-2DA11
Siemens 3RH2911-2DA11 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 3RH2911-2DA11 is a high-quality auxiliary switch designed for integration with motor contactors. This lateral auxiliary switch block features one normally open (NO) and one normally closed (NC) contact, making it suitable for a variety of industrial applications. It is part of the SIRIUS range, known for its reliability and performance in demanding environments. The switch is equipped with spring-loaded terminals, ensuring secure and efficient connections. With a protection class of IP20, it is designed to withstand typical industrial conditions. The 3RH2911-2DA11 offers a robust mechanical service life of up to 10 million switching cycles and an electrical endurance of 200,000 cycles at AC-15, 230 V. Its compact design, with dimensions of 64.8 mm in height, 10 mm in width, and 66 mm in depth, allows for easy installation in space-constrained settings. This auxiliary switch is an ideal choice for enhancing the functionality and control of contactor systems.
| Specification | Description |
|---|---|
| Part Number | 3RH2911-2DA11 |
| Manufacturer | Siemens |
| Product Brand Name | SIRIUS |
| Type | Auxiliary Switch |
| Configuration | Lateral auxiliary switch block, side, 1 Normally Open (NO) + 1 Normally Closed (NC) |
| Application | Suitable for use with contactor relays and power contactors |
| Protection Class | IP20 on the front |
| Ambient Temperature | Storage: -55°C to +80°C; Operating: -25°C to +60°C |
| Mechanical Lifespan | 10,000,000 switching cycles |
| Electrical Lifespan | 200,000 switching cycles at AC-15, 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 | Rated resistance of 6 kV |
| Terminals | Spring-loaded terminal R: 21/22, 33/34; L: 41/42, 53/54 |
| Description | The Siemens 3RH2911-2DA11 is a robust auxiliary switch designed for integration with motor contactors. It features a lateral configuration with one normally open and one normally closed contact, making it ideal for a variety of industrial applications. With a high mechanical and electrical lifespan, this switch ensures reliable performance in demanding environments. Its IP20 protection class and wide operating temperature range further enhance its suitability for diverse settings. The spring-loaded terminals facilitate easy and secure connections. |
What is the primary function of this auxiliary switch?
The auxiliary switch is designed to provide additional contacts for control circuits, enhancing the functionality of contactor relays and power contactors.
What type of contacts does this auxiliary switch have?
This auxiliary switch features one normally open (NO) and one normally closed (NC) contact.
What is the protection class of this auxiliary switch?
The auxiliary switch has a protection class of IP20 on the front, indicating it is protected against solid objects over 12mm and does not have protection against water.
What is the typical mechanical service life of this auxiliary switch?
The typical mechanical service life of the auxiliary switch is 10 million switching cycles.
What is the rated insulation voltage for this auxiliary switch?
The rated insulation voltage for the auxiliary switch is 690 volts with a degree of pollution 3.
What are the ambient temperature limits for operating this auxiliary switch?
The auxiliary switch can operate within an ambient temperature range of -25°C to +60°C.
What is the surge voltage resistance of this auxiliary switch?
The surge voltage resistance of the auxiliary switch is rated at 6 kV.
What type of terminals does this auxiliary switch use?
The auxiliary switch uses spring-loaded terminals for its electrical connections.
Is this auxiliary switch suitable for use with contactor relays?
Yes, the auxiliary switch is suitable for use with both contactor relays and power contactors.
What is the operational current of the auxiliary contacts at AC-15 and 230 V?
The operational current of the auxiliary contacts at AC-15 and 230 V is 6 A.
- Used in motor control applications to provide additional switching contacts.
- Suitable for integration with contactor relays and power contactors.
- Commonly employed in industrial automation systems for enhanced control functionality.
- Utilized in electrical panels to expand the number of available auxiliary contacts.
- Ideal for applications requiring reliable switching operations in harsh environments.
- Frequently used in machinery and equipment that require precise control and monitoring.
- Applied in systems where additional contact configurations are needed for complex operations.
- Suitable for use in environments with varying temperatures, ensuring consistent performance.
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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