"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.
All orders are subject to product availability. See our T&Cs.
Ask our team
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 3TK2841 Series Safety Relay is a vital component designed to ensure the safe operation of machinery in various industrial settings. This safety relay, with its 24 V dc operating voltage and convenient screw mount design, is engineered to integrate seamlessly into your safety systems. Its compact dimensions of 23 x 120 x 120 mm make it an ideal choice for applications where space is at a premium. Crafted for reliability, the 3TK2841-1BB40 model boasts electronic enabling circuits (EC) and is capable of handling both single-channel and two-channel safety-related wiring of inputs, providing flexibility in system design. The device is also equipped with two instantaneous safety-related semiconductor outputs, enhancing its functionality in critical safety applications. This safety relay is suitable for a variety of safety functions, including light barrier monitoring, protective door monitoring, emergency stop functions, and pressure-sensitive mat monitoring, among others. Its design allows for both automatic and monitored start modes, giving you the control needed for different operational requirements. The 3TK2841-1BB40 is designed to meet stringent safety standards, achieving a Safety Integrity Level (SIL) of 3 and a Performance Level (PL) of e, as per EN ISO 13849-1. It also conforms to Category 4 according to EN 954-1, ensuring a high level of reliability and safety for your machinery. With certifications from TÜV, UL, and CSA, this safety relay is recognised for its quality and compliance with international safety regulations. Its robust construction and finger-safe terminals provide additional protection against electrical shock, making it a safe choice for operators and maintenance personnel alike. In summary, the Siemens 3TK2841-1BB40 Safety Relay is a dependable and versatile solution for enhancing the safety of your industrial automation systems, ensuring that your operations run smoothly and safely.
Our 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 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.