The Siemens 5SY4202-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. Engineered for both AC and DC systems, this 2-pole breaker is rated at 400 V and can handle a current of up to 2 A. It features a C tripping characteristic, ensuring a precise response to overcurrent conditions, making it suitable for use in commercial and industrial environments.
With a breaking capacity of 10 kA according to EN 60898, the 5SY4202-7 is capable of interrupting significant fault currents, contributing to the safety and maintenance of electrical circuits. The device is also designed for quick assembly, with a modular width of two units, allowing for efficient use of space within distribution boards.
The construction of the 5SY4202-7 adheres to high standards, offering a mechanical service life of approximately 20,000 cycles, which speaks to its durability and longevity. It is also characterised by its ability to operate across a wide range of ambient temperatures, from as low as -25°C to as high as 55°C, ensuring consistent performance under varying environmental conditions.
This miniature circuit breaker is also designed with safety in mind, featuring touch protection and the ability to be sealed, which prevents unauthorised or accidental adjustments. Its halogen-free and silicon-free construction makes it an environmentally conscious choice, aligning with modern sustainability standards.
Overall, the Siemens 5SY4202-7 is a dependable and efficient solution for circuit protection, offering both performance and safety features that meet the demands of today's electrical protection requirements.