"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"
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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.
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 3RH1911-2FA20 is a high-quality auxiliary switch block designed for seamless integration with contactor relays and motor switches. This component is part of the SIRIUS product family, renowned for its reliability and performance in industrial control applications. With a protection class of IP20, it is suitable for use in a variety of operating environments. This auxiliary switch block features two normally open (NO) contacts, providing a dependable solution for expanding control circuits. It is engineered to operate within a wide ambient temperature range, from -25°C to +60°C during operation, ensuring consistent performance even in demanding conditions. The 3RH1911-2FA20 boasts an impressive mechanical operating life of typically 10 million cycles and an electrical operating life of 200,000 cycles at AC-15 at 230V, highlighting its durability and longevity. The contact reliability is exceptional, with a very low chance of incorrect switching operations, ensuring accurate and reliable circuit control. Installation is made easy with its snap-on mounting design, and the spring-loaded terminals allow for quick and secure electrical connections. The switch block's dimensions are compact, with a width of 36.5mm, height of 37.5mm, and depth of 46mm, making it suitable for space-constrained applications. The 3RH1911-2FA20 is designed with safety in mind, featuring mirror contacts according to IEC 60947-4-1 and positively driven operation according to IEC 60947-5-1 when used with 3RT1 and 3RH1 respectively. This auxiliary switch block is a preferred choice for professionals seeking a robust and reliable component for their industrial control systems. Its technical specifications and build quality make it a valuable addition to any setup requiring precise control and long-term dependability.
Our global network and dedicated team act fast to keep your supply chain moving.
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Support centreOur global network and dedicated team act fast to keep your supply chain moving.
Contact usFind answers, guidance and resources to help you get the most out of our services.
Support centreWhether you're maintaining existing equipment or sourcing parts for current systems, we provide fast, dependable supply you can rely on.
50+ account managers available now
"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"
"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! "
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
Courtney Zeinert
Facilities Manager
Whether you need advice or help finding the right part, our team is available to assist and keep your operations running smoothly.