The K30F003UP is a 3-pole thermal magnetic miniature circuit breaker manufactured by Schneider Electric. It features a thermal-magnetic release mechanism with adjustable tripping curves, thermal and magnetic short circuit protection, and thermal disconnection at 4500 A. It has a rated current of 3 A, and a rated voltage of 230 – 400 V AC, or 220 – 500 V DC. It is equipped with a “push to reset” button and suitable for general-purpose control, suitable for domestic and industrial applications. It is also suitable for use with control and signaling, lighting, and heating circuits.