steve
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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
3RH2911-2FA04
Siemens 3RH2911-2FA04 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 3RH2911-2FA04 is a high-quality auxiliary switch block designed for seamless integration with contactor relays and power contactors. This component is part of the SIRIUS range and is specifically engineered to be snapped onto the front side of contactors, offering a compact and efficient solution for industrial applications. It features four normally closed (NC) contacts, providing reliable performance with a mechanical operating life of up to 10 million cycles and an electrical operating life of 200,000 cycles at AC-15, 230 V. The switch block is suitable for use in environments with temperatures ranging from -25°C to 60°C during operation. With an IP20 protection rating, it ensures a robust level of protection against solid objects. The Siemens 3RH2911-2FA04 is equipped with spring-loaded terminals for secure electrical connections and supports various conductor cross-sections, making it a versatile choice for a wide range of industrial control applications.
| Specification | Description |
|---|---|
| Part Number | 3RH2911-2FA04 |
| Manufacturer | Siemens |
| Product Brand Name | SIRIUS |
| Product Designation | Auxiliary switch block |
| Application | Suitable for contactor relay and power contactor |
| Contactor Size | S00 |
| Protection Class (Front Side) | IP20 |
| Ambient Temperature (Storage) | -55°C to 80°C |
| Ambient Temperature (Operating) | -25°C to 60°C |
| Mechanical Operating Cycles | 10,000,000 cycles |
| Electrical Operating Cycles (AC-15, 230V) | 200,000 cycles |
| Contact Reliability | One incorrect switching operation per 100 million operations (17 V, 5 mA) |
| Insulation Voltage | 690 V (with degree of pollution 3) |
| Impulse Voltage Resistance | 6 kV |
| Number of NC Contacts | 4 (instantaneous switching) |
| Number of NO Contacts | 0 |
| Number of Changeover Contacts | 0 |
| Operating Current (AC-12, 24V to 690V) | 6 A |
| Operating Current (AC-15, 24V) | 6 A |
| Operating Current (AC-15, 230V) | 6 A |
| Operating Current (AC-15, 690V) | 1 A |
| Operating Current (AC-15, 400V) | 3 A |
| Operating Current (DC-13, 24V) | 10 A |
| Operating Current (DC-13, 48V) | 2 A |
| Operating Current (DC-13, 60V) | 2 A |
| Operating Current (DC-13, 110V) | 1 A |
| Operating Current (DC-13, 125V) | 0.9 A |
| Operating Current (DC-13, 220V) | 0.3 A |
| Operating Current (DC-13, 250V) | 0.3 A |
| Type of Fixing | Snap-on mounting |
| Dimensions (W x H x D) | 36 mm x 41.5 mm x 66 mm |
| Electrical Connection Design | Spring-loaded terminals |
| Connectable Conductor Cross Section | Solid: 2x (0.5 ... 2.5 mm²); Stranded with wire end processing: 2x (0.5 ... 1.5 mm²); Without conductor final cutting: 2x (0.5 ... 1.5 mm²); AWG: 2x (20 ... 14) |
| Certificates/Approvals | CE / UL / CSA / CCC |
The Siemens 3RH2911-2FA04 is a robust auxiliary switch block designed for seamless integration with contactor relays and power contactors. Engineered for reliability, it features a high mechanical and electrical operating cycle capacity, ensuring long-lasting performance in demanding environments. With a compact design and snap-on mounting, it offers easy installation and maintenance. The switch block is equipped with spring-loaded terminals for secure electrical connections and supports a range of conductor cross sections. Its IP20 protection class and wide operating temperature range make it suitable for various industrial applications.
What is the primary function of this Siemens part?
The Siemens 3RH2911-2FA04 is an auxiliary switch block designed to be used with contactor relays and power contactors, specifically for size S00 applications.
What are the operating temperature ranges for this part?
The Siemens 3RH2911-2FA04 can operate in temperatures ranging from -25°C to 60°C and can be stored in temperatures from -55°C to 80°C.
What is the protection class rating for this auxiliary switch block?
This auxiliary switch block has a protection class rating of IP20 on the frontal side.
How many mechanical operating cycles can this part handle?
The Siemens 3RH2911-2FA04 is designed to handle up to 10,000,000 mechanical operating cycles.
What type of mounting does this auxiliary switch block use?
The Siemens 3RH2911-2FA04 uses snap-on mounting for easy installation.
What is the rated insulation voltage for this part?
The rated insulation voltage for the Siemens 3RH2911-2FA04 is 690 V with a degree of pollution 3.
What are the dimensions of this auxiliary switch block?
The dimensions of the Siemens 3RH2911-2FA04 are 36 mm in width, 41.5 mm in height, and 66 mm in depth.
What type of terminals does this part use for electrical connections?
The Siemens 3RH2911-2FA04 uses spring-loaded terminals for auxiliary and control current circuit connections.
How many NC contacts does this auxiliary switch block have?
The Siemens 3RH2911-2FA04 features four instantaneous switching NC contacts.
What is the impulse voltage resistance of this part?
The impulse voltage resistance of the Siemens 3RH2911-2FA04 is rated at 6 kV.
- Used in industrial automation systems for controlling auxiliary circuits.
- Commonly integrated into motor control centers for enhanced operational efficiency.
- Employed in contactor relay applications to provide additional switching paths.
- Utilized in power contactor systems to ensure reliable auxiliary contact operations.
- Suitable for use in environments requiring high mechanical and electrical endurance.
- Ideal for applications needing snap-on mounting for quick and easy installation.
- Frequently used in systems requiring IP20 protection for frontal components.
- Applied in electrical systems where high contact reliability is essential.
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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