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The Siemens 5SY4104-7 is a high-quality miniature circuit breaker designed to provide overcurrent protection in a variety of applications. This 1-pole breaker is engineered for use in both commercial and industrial settings, ensuring safety and reliability in electrical circuits. With a tripping characteristic class of C, it is suitable for protecting installations with a higher inrush current, such as motors and transformers. Rated for 230/400 V AC, this circuit breaker is capable of interrupting short-circuit currents up to 10kA, offering robust protection against electrical faults. Its compact design, with a depth of 70 mm, allows for efficient use of space within electrical distribution boards. The 5SY4104-7 is part of the SENTRON product family, known for its durability and ease of use. The mechanical service life of this device is typically 20,000 switching cycles, indicating a long-lasting performance. It is classified under overvoltage category III, which means it is designed to handle transient overvoltages typically found in fixed installation environments. The insulation voltage ratings are 250 V for single-phase and 440 V for multi-phase operations, providing a safe and effective barrier against electrical surges. This miniature circuit breaker is a reliable choice for those seeking a dependable solution to protect electrical circuits from overloads and short circuits, ensuring the safety and efficiency of electrical systems in a range of settings.
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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.
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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"
"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
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