Siemens 5SY4108-7

The Supplementary Protector is designed as a 1-pole circuit protection solution, rated for a current of 8A and suitable for 400V AC applications. It features a Trip Characteristic Curve C, allowing it to handle moderate overloads effectively. The device complies with UL1077 standards and is recognized under UL file E116386.

With a compact design of 18mm width and 70mm depth, this supplementary protector is well-suited for various installations where space is a consideration. The pollution degree is rated at 3, indicating suitability for a range of environments, while the degree of protection is marked as IP20, ensuring adequate safety against solid objects greater than 12.5mm.

Additional features include a rated insulation voltage of 440V and a current limiting class of 3. The device can be installed in environments with ambient temperatures ranging from -40°C to +85°C. Its rated short-circuit breaking capacity is 10kA at 230V and 20kA at 400V, providing robust protection against short circuits. This product is designed for applications requiring reliable safety measures in electrical circuits.