The Thermal-Magnetic Circuit Breaker SFA3100 100 Amp by Square D is a single-throw electrical device designed for interior use. It features thermal overload protection and operates on an on/off method, making it suitable for AC current type at a voltage range of 401-450V. With a maximum amperage of 100A and three outlets, this circuit breaker is a reliable choice for various electrical setups in a business or industrial setting. Manufactured in the United Kingdom, this product offers high-quality protection and control for electrical circuits.