5SY1705-4 SIEMENS

The 5SY1705-4 is a 1-pole miniature circuit breaker (MCB) from Siemens, designed to provide reliable overcurrent protection in various applications. This MCB features an integrated auxiliary switch with a normally open (NO) contact, enabling remote monitoring of the breaker's status. It has a F2 tripping characteristic, indicating its suitability for protecting circuits with sensitive electronic components or low inrush currents. The breaker is rated for 0.5A at 230V AC with a frequency of 50/60 Hz, and 60V DC. Its breaking capacity (Icn) is 3 kA AC according to IEC 60934, ensuring safe disconnection of faulty circuits. The 5SY1705-4 is suitable for use in residential, commercial, and industrial applications where space is limited and reliable circuit protection is essential. The auxiliary switch can be used to signal the breaker's status to a building management system or other control system. This MCB offers a compact design and easy installation on DIN rails, making it a versatile solution for various electrical installations. It provides dependable protection against short circuits and overloads, enhancing the safety and reliability of electrical systems.