The OFPF Series 1P (Single-Pole) miniature circuit breaker is an overcurrent protection device specifically designed for terminal circuits in low-voltage, single-phase AC distribution systems. Engineered and manufactured in strict accordance with international electrotechnical standards, including IEC 60898-1, its core function is to provide precise and reliable overload and short-circuit protection for single-phase wiring, electrical equipment, and connected loads. It effectively prevents equipment damage and conductor overheating risks caused by electrical faults, serving as a key fundamental component for ensuring the safety of end-user power in applications such as residences and commercial shops.