This Acti9 is an arc fault detection circuit breaker. It is a 1P+N circuit breaker and rated current is 25 A. It has an electrical endurance going up to 10000 cycles and mechanical endurance going up to 20000 cycles. It detects arc fault who comes from fire start and is constantly analyzing electric settings. It isolates involved circuit automatically before first flame appearance. It is particulary adapted for circuit protection where the fire start is the most important in domestic intallation (outdoors, rooms). The Ue rated operational voltage is from 230VAC to 240VAC. The Ui rated insulation voltage is 250 VAC. It has a Uimp rated impulse withstand voltage of 4 kV. The operating frequency is 50Hz. It can be mounted on DIN rail for modular installation. Its width is 4 pitches of 9mm. The product color is white (RAL9003). The dimensions are (W) 36 mm x (H) 91 mm x (D) 75 mm. The product weight is 205 g. According to IEC 60529 standard, the degree of protection is IP20. The pollution degree is 2. The operating temperature is -25°C to 60°C. The storage temperature is -40°C to 80°C. This product complies with EN/IEC 62606 standard.