The Siemens 5SY6101-7 is a 1-pole SENTRON miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit conditions in industrial, commercial, and infrastructure applications. It has a rated current of 1 A with a Type C tripping characteristic, making it suitable for control circuits, small motors, and other loads with moderate inrush currents. The circuit breaker is rated for 230/400 V AC operation and supports DC systems up to 72 V DC per pole, with a 6 kA breaking capacity in accordance with EN 60898. It measures 90 x 18 x 76 mm, is designed for DIN rail mounting, and has an insulation voltage of 440 V AC.
