Siemens 400 mA SIRIUS Motor Protection Circuit Breaker, 20 → 690 V

The Siemens circuit breaker is expertly designed for motor protection, ensuring reliability and safety in demanding environments. With its CLASS 10 overload relay function and robust technical specifications, it provides optimal performance with a rated operating current of 0.4 A and a mechanical service life of up to 100, 000 cycles. This adaptable device accommodates various ambient conditions and electrical configurations, boasting impressive breaking capacities of up to 100 kA. Its compact dimensions ensure versatile installation options, making it suitable for diverse applications in industrial settings. Furthermore, with features such as an auxiliary switch and impressive insulation voltage ratings, this circuit breaker remains a crucial component for any electrical setup, offering peace of mind and enhanced operational efficiency.

Seamless integration with S00 and S0 contactors
Thermal overload release enhances safety
Excellent shock resistance adheres to IEC standards
Compact design allows versatile mounting
Screw-type terminals ensure secure connections