5SY4504-8

The Siemens 5SY4504-8 is a circuit breaker designed for electrical circuit protection. It features a 1P+N pole design, suitable for single-phase applications with neutral connection. The device operates at a rated voltage of 240V and a current of 4A. It has a tripping characteristic class D, providing reliable circuit interruption. The breaker is constructed with a protection class of IP20, indicating it is protected against solid objects larger than 12.5mm but not against water. It has a mechanical service life of 10,000 switching cycles, ensuring durability over extensive use.

This circuit breaker is suitable for mechanical engineering and industrial applications. It includes features such as combined terminal top and bottom connections, neutral conductor switching, and compatibility with supplementary devices. The device's dimensions are 90mm in height, 36mm in width, and 76mm in depth, with a net weight of 308 grams. It is designed for quick assembly with a fastening method suitable for any mounting position. The device supports a broad range of conductor cross-sections from 0.75mm² to 35mm² and AWG sizes from 18 to 4. It also complies with standards for main switches and is halogen-free and silicon-free.

The breaker can handle a breaking capacity of up to 5kA at AC, making it suitable for various circuit protection needs. Its insulation voltage is rated at 250V, with an operational voltage limit of 72V DC. The device is rated for overvoltage category III and pollution degree 3, suitable for industrial environments.