Siemens SENTRON 5SY4 MCB, 1P, 5A Curve C, 400V AC, 72V DC, 5 kA Breaking Capacity

This miniature circuit breaker is a 1 Pole Circuit Breaker designed to offer electrical protection for residential and commercial applications. With a current rating of 5A, it is ideal for use in various electrical systems. Standing at a height of 90mm, a width of 18mm, and a depth of 76mm, this compact DIN Rail MCB fits seamlessly into standard enclosures, ensuring effective space utilisation while safeguarding circuits.

• Type C tripping characteristic ensures suitable protection in specific applications
• 5kA Breaking Capacity provides reliable interruption during fault conditions
• IP20 protection class allows safe operation in dry environments
• Designed for easy installation with screw terminal connections
• Mechanical service life of 10,000 cycles enhances long-term reliability
• Compliant with IEC / EN standards, ensuring high-quality performance

• Used with residential electrical systems for circuit protection
• Ideal for commercial installations requiring dependable fault interruption
• Suitable for use in environments with overvoltage category III
• Effective in automation systems where cable management is crucial

The Type C tripping characteristic is beneficial for circuits with higher inrush currents, allowing for uninterrupted operation of inductive loads like motors while still offering protection against short circuits.

A breaking capacity of 5kA ensures that the device can safely interrupt fault currents up to this rating, preventing potential damage to downstream equipment and enhancing overall circuit safety.

The terminals can accommodate solid and stranded conductors with cross-sections between 0.75 mm² and 35 mm², providing flexibility for different wiring requirements.