Siemens SENTRON 5SY8 MCB, 2P, 40A Curve D, 400V AC, 60V DC, 25 kA Breaking Capacity

The Siemens Miniature Circuit Breaker is designed to provide superior protection within a compact footprint. Engineered with advanced technology, it ensures reliable operation in various environments, adhering to stringent standards such as EN 60947-2. The device is perfect for infrastructure and industrial applications, delivering a robust performance with a tripping characteristic class D, catering efficiently to the electrical demands of modern systems. With its IP20 protection class and versatile mounting options, this circuit breaker stands out for its practical usability in installations where space is at a premium yet reliability cannot be compromised.

Designed for both AC and DC applications
Offers impressive mechanical service life ensuring longevity
Features touch protection enhancing user safety
Supports a wide range of conductor cross-sections for flexibility
Environmentally friendly as it is halogen-free and silicon-free
Compact design suitable for DIN rail mounting
Operates effectively across diverse ambient temperature ranges
Includes multiple tightening torque options for secure connections