This Clipsal product is a low voltage miniature circuit breaker (MCB). It is a 1 circuit breaker with 20A rated current and C tripping curve. The rated short circuit breaking capacity is up to 4.5kA at 240VAC conforming to AS/NZS 60898-1 standard. This product is compliant with AS/NZS 60898 standard. This miniature circuit breaker combines functions of circuit protection against short circuit and overload current, control and isolation. Mechanical durability goes up to 20000 cycles and electrical durability goes up to 20000 cycles. The Ue operational voltage is 240VAC. The Uimp rated impulse withstand voltage is 4kV. The operating frequency is 50Hz or 60Hz. It can be mounted on DIN rail for modular installation. Its width is 2 pitches of 9mm. The dimensions are (W) 18mm x (H) 81mm x (D) 78.5mm. The weight is 115g. According to IEC 60529 standard, the degree of protection is IP20 and IP40 in enclosure. The operating temperature is -25°C to 70°C. The storage temperature is -40°C to 70°C.