Siemens SENTRON 5SY4 MCB, 4P, 8A, Type A, 400V AC, 60V DC, 20 kA Breaking Capacity

The Siemens Miniature Circuit Breaker is engineered for reliability and safety in various industrial and infrastructural applications. Designed with a robust 3+N pole configuration, it effectively safeguards electrical installations up to a voltage of 400 V. With advanced tripping characteristics classified under Class A, this device ensures swift interruption in case of overloads or faults, providing peace of mind for users. The compact design, measuring 90 mm in height and 76 mm in depth, allows for easy integration into existing setups while maintaining a minimal footprint. Tested under stringent standards, this breaker delivers outstanding performance, even in demanding environments with ambient temperatures ranging from -40 °C to 70 °C. Suitable for both AC and DC applications, it is an ideal choice for modern electrical systems requiring dependable protection.

Includes touch protection for enhanced safety
Offers compatibility with supplementary installation devices
Designed for main switches according to stringent standards
Halogen-free materials ensure an environmentally friendly product
Supports connectivity for a wide range of conductor cross-sections
Has a minimal power loss rate during operation optimising energy efficiency