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3RH2911-1HA12
Siemens 3RH2911-1HA12 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
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.
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 3RH2911-1HA12 is a meticulously engineered auxiliary switch designed to complement contactor relays and power contactors within industrial control systems. This switch is part of the esteemed SIRIUS product family, renowned for its reliability and versatility in various applications. Crafted for snap-on mounting, the 3RH2911-1HA12 boasts a compact form factor with dimensions of 36 x 48.1 x 37.5 mm, ensuring it integrates seamlessly into existing setups without demanding additional space. The switch features a robust construction that can withstand the rigours of industrial environments, with an IP20 protection class on the front, safeguarding against solid objects larger than 12.5 mm. This auxiliary switch is equipped with one normally open (NO) and two normally closed (NC) contacts, providing flexibility in circuit design and control logic. It is capable of handling a mechanical service life of typically 10 million switching cycles and an electrical endurance of 200,000 cycles at AC-15 at 230 V, highlighting its durability and long-term performance. The 3RH2911-1HA12 operates reliably within a broad ambient temperature range, from -25 to +60 °C during operation and -55 to +80 °C during storage, ensuring consistent performance even in extreme conditions. Its insulation voltage is rated at 690 V with a degree of pollution 3, and it has a surge voltage resistance rated value of 6 kV, providing excellent electrical resilience. This auxiliary switch is an essential component for those seeking a high-quality, reliable solution for enhancing the control and safety of their electrical systems. Its design and specifications ensure it meets the rigorous demands of industrial applications, making it a valuable addition to any control system configuration.
Typical applications
- Control and extension of contactor functionalities in industrial automation systems
- Expansion of switching capabilities within motor control centres
- Integration into control panels for machinery and process control
- Use in HVAC systems for auxiliary switching operations
- Implementation in conveyor systems for additional control circuit tasks
- Application in packaging machinery for precise control processes
- Utilisation in manufacturing lines for automation and control enhancements
- Deployment in electrical distribution systems for auxiliary contact operations
- Incorporation in pump control circuits for added switching functions
- Installation in lighting control systems for expanded circuit control
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Need more information?
Our global network and dedicated team act fast to keep your supply chain moving.
Contact usCan't find what you're looking for?
Find answers, guidance and resources to help you get the most out of our services.
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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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We take care of the logistics so you don't have to. From customs documentation to real-time tracking, our service ensures your parts arrive on time, every time. Reliable, straightforward delivery you can trust.
Full 12-month warranty
ISO 9001:2015 certified
Swift global delivery
"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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