Siemens 250 mA SIRIUS Motor Protection Circuit Breaker, 20 → 690 V

The Siemens circuit breaker is designed for optimal motor protection, ensuring reliability and efficiency in various applications. Ideal for controlling operational currents, it operates effectively within a temperature range of -20 to +60 °C, making it suitable for a wide array of environments. The circuit breaker features a robust mechanical service life alongside an electrical endurance of 100, 000 operating cycles. With its advanced trip class and thermal overload release design, this product not only provides short-circuit protection but also phases failure detection, promoting enhanced safety in installations. Its compact design allows for easy mounting on a DIN rail, ensuring swift and uncomplicated integration into existing systems.

Features auxiliary switch extension for enhanced functionality
Complies with various international safety standards
Suitable for installation at altitudes up to 2000 meters
Offers a comprehensive range of ambient temperature operational limits