Siemens SENTRON 5SY5 MCB, 2P, 4A Curve B, 400V AC, 440V DC, 15 kA Breaking Capacity

The Siemens Miniature Circuit Breaker is designed for reliable protection in both AC and DC applications. This robust device not only ensures superior performance with a tripping characteristic class B but also boasts a mechanical service life of up to 10,000 operating cycles. Compliant with various international standards, this model combines a compact design with high breaking capacity, making it ideal for infrastructure, industrial, and mobility applications. Featuring dual poles, it simplifies installation while ensuring safety and longevity. With its halogen-free, sealable, and silicon-free construction, this breaker is built to withstand harsh conditions, ensuring protection and performance you can trust.

Designed for both AC and DC voltage applications
Compact dimensions for space-saving installation
IP20 protection class ensuring safety with connected conductors
Energy limitation class 3 for enhanced operational safety
Standard IEC / EN 60898-2 compliant for reliability
Vibration resistance tailored for tough environments
Tightening torque specifications for secure connections
Suitable for a variety of conductor cross-sections
Versatile mounting options for various installations
Produced with a focus on environmental sustainability