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
4 weeks ago
3RH2911-1HA22
Siemens 3RH2911-1HA22 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 Series Auxiliary Switch Block is a compact and reliable component designed for seamless integration with contactor relays and power contactors. This switch block features a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, providing versatility for various control and signalling applications within industrial settings.
Crafted with precision, the switch block boasts an insulation voltage rated at 690 V and an impulse voltage resistance of 6 kV, ensuring robust performance even in demanding electrical environments. The product is engineered to operate within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for a wide range of operating conditions.
With a mechanical operating life of typically 10 million cycles and an electrical operating life at AC-15 at 230 V of typically 200,000 cycles, this auxiliary switch block is built to last, offering reliability and durability for your control systems. The switch block's dimensions are 37.5 x 36 x 43.7 mm, and it features a snap-on mounting design for easy installation.
The switch block is designed with screw terminals for secure and straightforward electrical connections, accommodating various conductor cross-sections for auxiliary contacts. It also meets the IP20 protection class standard on the front, providing a basic level of protection against solid objects.
This Siemens auxiliary switch block is a testament to the brand's commitment to quality and efficiency, making it an essential component for industrial control applications that require precise and dependable switching operations.
Crafted with precision, the switch block boasts an insulation voltage rated at 690 V and an impulse voltage resistance of 6 kV, ensuring robust performance even in demanding electrical environments. The product is engineered to operate within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for a wide range of operating conditions.
With a mechanical operating life of typically 10 million cycles and an electrical operating life at AC-15 at 230 V of typically 200,000 cycles, this auxiliary switch block is built to last, offering reliability and durability for your control systems. The switch block's dimensions are 37.5 x 36 x 43.7 mm, and it features a snap-on mounting design for easy installation.
The switch block is designed with screw terminals for secure and straightforward electrical connections, accommodating various conductor cross-sections for auxiliary contacts. It also meets the IP20 protection class standard on the front, providing a basic level of protection against solid objects.
This Siemens auxiliary switch block is a testament to the brand's commitment to quality and efficiency, making it an essential component for industrial control applications that require precise and dependable switching operations.
| Specification | Description |
|---|---|
| Part Number | 3RH2911-1HA22 |
| Alternative Part Number | 3rh29111ha22 |
| Manufacturer | Siemens |
| Series | 3RH2911 |
| Type | Auxiliary Switch Block |
| Contact Configuration | 2NO/2NC (Normally Open/Normally Closed) |
| Rated Voltage | 690 V |
| Dimensions | 37.5 x 36 x 43.7 mm |
| Mounting Type | Snap-on mounting |
| Terminal Type | Screw terminal |
| Operating Temperature Range | -25 … +60 °C during operation, -55 … +80 °C during storage |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Electrical Operating Cycles | Typical 200,000 at AC-15 at 230 V |
| Contact Reliability | One incorrect switching operation of 100 million switching operations (17 V, 1 mA) |
| Insulation Voltage | Rated value 690 V with degree of pollution 3 |
| Impulse Voltage Resistance | Rated value 6 kV |
| Protection Class | IP20 on the front |
| Compliance | Mirror contact acc. to IEC 60947-4-1, Positively driven operation acc. to IEC 60947-5-1 |
| Commodity Code | 85365080 |
What is the function of an auxiliary switch block?
An auxiliary switch block is used to provide additional switching functions in electrical circuits. It typically operates in conjunction with contactors or relays to facilitate the control of various circuit elements, such as indicating lights or other auxiliary devices.
Can this auxiliary switch block be used with both AC and DC currents?
Yes, the Siemens 3RH2911-1HA22 auxiliary switch block is designed to be used with both AC and DC currents, providing versatility in its application across different types of electrical systems.
What are the voltage and current specifications for this auxiliary switch block?
The auxiliary switch block is rated for an insulation voltage of 690 V and has an operational current of 10 A at AC-12 at 24 V and 230 V. It also has specific operational current ratings for AC-15 and DC-12 circuits.
What type of terminals does this auxiliary switch block have?
The auxiliary switch block comes equipped with screw-type terminals, which are designed for secure and reliable wire connections.
What is the typical mechanical and electrical service life of this auxiliary switch block?
The typical mechanical service life of the auxiliary switch block is around 10 million operating cycles, and the electrical endurance at AC-15 at 230 V is typically 200,000 cycles.
What are the dimensions of this auxiliary switch block?
The dimensions of the auxiliary switch block are 37.5 mm in height, 36 mm in width, and 43.7 mm in depth, making it compact and suitable for integration into various control systems.
What is the protection class of this auxiliary switch block?
The auxiliary switch block has a protection class of IP20 on the front, indicating a basic level of protection against solid objects.
Can this auxiliary switch block be mounted easily?
Yes, it is designed for snap-on mounting, which allows for quick and easy installation onto compatible devices.
What is the ambient temperature range for operating this auxiliary switch block?
The auxiliary switch block can operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in various environmental conditions.
Does this auxiliary switch block have mirror contact functionality?
Yes, it does feature mirror contact functionality according to IEC 60947-4-1 when used with 3RT2, which is important for safety applications.
- Integration into contactor relays for auxiliary switching functions
- Use in power contactors for controlling, switching, and signaling circuits
- Implementation in motor control centers for auxiliary feedback and control
- Installation in control panels for automation and process control
- Utilisation in manufacturing facilities for conveyor systems control
- Deployment in HVAC systems for auxiliary control and monitoring
- Application in packaging machinery for precision control tasks
- Inclusion in control circuits of elevators and escalators for auxiliary operations
- Embedding in safety and interlock circuits to provide status feedback
- Incorporation in renewable energy installations, such as solar or wind power, for auxiliary switching duties
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!
2 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!
2 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.
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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