Siemens SENTRON 5SY4 MCB, 4P, 1A, Type A, 400V AC, 60V DC, 35 kA Breaking Capacity

The Siemens Miniature Circuit Breaker is engineered to deliver reliable protection for electrical systems across various applications. With a robust design featuring four poles, this device ensures efficient interruption capabilities, safeguarding against overloads and short circuits. The product offers a mechanical service life of approximately 10,000 operating cycles, attesting to its durability and resilience in demanding environments. Falling within the overvoltage category III, it provides excellent protection against voltage spikes while maintaining a compact size that eases installation within industrial settings. The advanced characteristics of the breaker promote versatility, making it a preferred choice for both infrastructure and industry use.

Four-pole design allows comprehensive electrical protection
High mechanical service life supports demanding operational environments
Versatile application across both industrial and infrastructural settings
Reliable under extreme temperature ranges for enhanced performance
IP20 protection class ensures safety for connected wiring
Meets stringent international standards for quality and reliability
Compact dimensions facilitate easy installation in confined spaces
Supports a variety of conductor cross-sections for adaptable connectivity
Features touch protection for user safety
Compatible with supplementary devices for expanded functionality