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3RH2911-1FB22
Siemens 3RH2911-1FB22 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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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.
All orders are subject to product availability. See our T&Cs.
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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 3RH2911-1FB22 auxiliary switch is a versatile and reliable component designed for seamless integration with contactor relays and power contactors. Crafted to enhance the functionality of your control systems, this auxiliary switch block features a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility for various circuit designs. With a robust construction that ensures a mechanical service life of approximately 10 million switching cycles, the 3RH2911-1FB22 is built to last, even in demanding industrial environments. Its electrical endurance is equally impressive, with an estimated 200,000 switching cycles at AC-15 at 230V, highlighting its durability and reliability for continuous operation. The switch operates efficiently within a broad ambient temperature range, from as low as -25°C to as high as +60°C, ensuring consistent performance under varying conditions. The unit's insulation voltage is rated at 690V with a degree of pollution 3, and it boasts a surge voltage resistance of 6kV, providing additional protection against electrical disturbances. Installation is straightforward, thanks to its snap-on mounting design, which allows for quick and easy attachment to the front of compatible devices. The switch's dimensions are compact, with a width of 36mm, height of 37.5mm, and depth of 43.7mm, making it a space-saving solution for your control panels. The 3RH2911-1FB22 auxiliary switch is a testament to Siemens' commitment to quality and innovation, offering a reliable solution for enhancing control circuit functionality and operational efficiency in a variety of industrial applications.
Typical applications
- Control and monitoring of electrical circuits in industrial automation systems
- Expansion of contactor relay and power contactor functionalities
- Use in control panels for motor control centers
- Integration into safety and interlock circuits
- Application in signalling circuits for system status indication
- Implementation in HVAC control systems for auxiliary switching
- Utilisation in conveyor systems for start/stop operations
- Deployment in packaging machinery for precision control
- Inclusion in manufacturing equipment for sequential operations
- Installation in electrical distribution systems for auxiliary contacts
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What our customers say
"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."
"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!"
"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!"
"Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping. "
"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! "
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Full 12-month warranty
ISO 9001:2015 certified
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"The prompt delivery knowing it was urgent was amazing! We are confident when EU Automation says they will try to ship as soon as possible they really mean it. Our company will definitely use them again. Service is astounding."
Courtney Zeinert
Facilities Manager
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