Description
The Siemens 5SY7663-8 is a certified miniature circuit breaker (MCB) providing advanced protection for electrical installations. This 4-pole device features a substantial 63A rating and a Curve D tripping characteristic, making it ideal for circuits with significant inductive loads and high starting currents, such as those found in motor applications. Its 15 kA breaking capacity ensures rapid and safe interruption of fault currents.
This Siemens MCB is designed for versatility, supporting both 400V AC and 60V DC electrical systems, offering comprehensive protection across various applications. The high breaking capacity is a critical safety feature, essential for preventing damage to equipment and ensuring personnel safety during electrical faults. Siemens’ commitment to quality is evident in the robust construction of the 5SY7663-8.
Ideal for industrial switchboards, power distribution panels, and heavy-duty machinery, the Siemens 5SY7663-8 provides reliable overcurrent and short-circuit protection. Its performance is crucial for maintaining operational continuity and safeguarding valuable assets from electrical hazards. The Siemens 5SY7663-8 is a dependable choice for critical infrastructure.
Secure your electrical systems with the Siemens 5SY7663-8 MCB. Its advanced design and high breaking capacity offer unparalleled safety and reliability, backed by Siemens’ reputation for excellence. Protect your investments with this high-performance Siemens circuit breaker.









