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
3RH1911-2GA04
Siemens 3RH1911-2GA04 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 3RH1911-2GA04 is a high-quality auxiliary switch block designed to enhance the functionality of contactor relays and power contactors. This component is engineered to provide reliable switching operations, with a mechanical service life of typically 10 million cycles and an electrical endurance of 200,000 cycles at AC-15, 230V. It features four normally closed (NC) contacts, ensuring a secure and stable connection in various industrial applications.
Constructed with a spring-type terminal, the 3RH1911-2GA04 facilitates easy and efficient wiring, making installation and maintenance straightforward. The switch block is suitable for use within a wide ambient temperature range, from -25°C to +60°C during operation, and can withstand storage temperatures from -55°C to +80°C, ensuring durability and performance stability in diverse working environments.
With an insulation voltage rated at 690V and a surge voltage resistance of 6kV, this auxiliary switch block meets stringent industry standards for electrical safety. Its compact design, featuring snap-on mounting, allows for space-saving integration into existing systems, with dimensions of 36.5mm in width, 37.5mm in height, and 46mm in depth.
The 3RH1911-2GA04 is IP20 rated on the front, providing a basic level of protection against solid objects and making it suitable for use in controlled environments. Its design also includes safety features such as mirror contact functionality according to IEC 60947-4-1 and positively driven operation in compliance with IEC 60947-5-1 when used with 3RT1 and 3RH1 contactors, respectively.
This auxiliary switch block is a reliable choice for those seeking to enhance the control and safety of their electrical systems, making it an essential component in the field of industrial automation.
Constructed with a spring-type terminal, the 3RH1911-2GA04 facilitates easy and efficient wiring, making installation and maintenance straightforward. The switch block is suitable for use within a wide ambient temperature range, from -25°C to +60°C during operation, and can withstand storage temperatures from -55°C to +80°C, ensuring durability and performance stability in diverse working environments.
With an insulation voltage rated at 690V and a surge voltage resistance of 6kV, this auxiliary switch block meets stringent industry standards for electrical safety. Its compact design, featuring snap-on mounting, allows for space-saving integration into existing systems, with dimensions of 36.5mm in width, 37.5mm in height, and 46mm in depth.
The 3RH1911-2GA04 is IP20 rated on the front, providing a basic level of protection against solid objects and making it suitable for use in controlled environments. Its design also includes safety features such as mirror contact functionality according to IEC 60947-4-1 and positively driven operation in compliance with IEC 60947-5-1 when used with 3RT1 and 3RH1 contactors, respectively.
This auxiliary switch block is a reliable choice for those seeking to enhance the control and safety of their electrical systems, making it an essential component in the field of industrial automation.
| Specification | Description |
|---|---|
| Part Number | 3RH1911-2GA04 |
| Alternative Part Number | 3RH19112GA04 |
| Manufacturer | Siemens |
| Product Type | Auxiliary Switch Block |
| Number of Contacts | 4 NC (Normally Closed) |
| Rated Insulation Voltage | 690 V |
| Mounting Type | Snap On Mount |
| Terminal Type | Spring-type Terminal |
| Ambient Operating Temperature | -25 … +60 °C |
| Storage Temperature | -55 … +80 °C |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Electrical Operating Cycles | Typically 200,000 at AC-15 / at 230 V |
| Contact Reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| Insulation Voltage | Rated value 690 V with degree of pollution 3 |
| Impulse Voltage Resistance | Rated value 6 kV |
| Operating Current | 10 A at AC-12 / at 24 V and 230 V; 6 A at AC-15 / at 24 V and 230 V; Various ratings for DC |
| Width | 36.5 mm |
| Height | 37.5 mm |
| Depth | 46 mm |
| Protection Class | IP20 |
| Compliance | Mirror contact to IEC 60947-4-1, Positively driven operation to IEC 60947-5-1 |
| Commodity Code | 853650 |
What is the voltage rating for this auxiliary switch block?
The auxiliary switch block is rated for an insulation voltage of up to 690 V.
Can this auxiliary switch block be used with contactor relays?
Yes, it is suitable for use with contactor relays and power contactors.
What type of terminal connection does this auxiliary switch block have?
It features spring-type terminal connections for easy and secure wiring.
How many normally closed (NC) contacts does this auxiliary switch block have?
The 3RH1911-2GA04 auxiliary switch block has 4 normally closed (NC) contacts.
What is the IP protection class of this auxiliary switch block?
The protection class for the front of the auxiliary switch block is IP20.
What are the ambient temperature limits for operating this auxiliary switch block?
The ambient temperature range for operation is between -25°C and +60°C.
What is the mechanical service life of this auxiliary switch block?
The mechanical service life is typically around 10 million switching cycles.
What is the electrical endurance of this auxiliary switch block at AC-15, 230 V?
The electrical endurance at AC-15, 230 V is typically 200,000 switching cycles.
How does this auxiliary switch block mount to a device?
It is designed for snap-on mounting, making installation quick and straightforward.
Are there any specific approvals or certifications for this auxiliary switch block?
Yes, it has general product approvals and complies with relevant standards, ensuring its reliability and safety in industrial applications.
- Integration into control circuits for industrial machinery
- Expansion of contactor relays for additional switching functions
- Use in automation systems for process control
- Implementation in motor control centres for auxiliary operations
- Installation in control panels for HVAC systems
- Utilisation in conveyor systems for start/stop functions
- Application in packaging equipment for precision control
- Inclusion in electrical distribution systems for auxiliary contacts
- Retrofitting in existing electrical setups to increase functionality
- Deployment in manufacturing lines for interlocking and sequencing 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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