This MAX9 product is a residual current breaker with overcurrent protection (RCBO). It is a 1P+N circuit breaker with 1 protected pole, 40A In rated current at 30°C and C tripping curve. The operating frequency is 50Hz or 60Hz. The earth leakage protection class is type A with a sensitivity of 30mA. The earth-leakage protection time delay is instantaneous. The Icn rated short circuit breaking capacity is up to 6000A at 240VAC. It has an electrical endurance going up to 10000 cycles and mechanical endurance going up to 20000 cycles. This product protects against short circuit, cable overload, electrical shock by indirect contact and fire hazards. It brings safety, reliable solution for commercial and industrial applications with high breaking capacity. It has a RCM quality lable. The Ue rated operational voltage is 240VAC. The Ui rated insulation voltage is 440VAC. It has a Uimp rated impulse withstand voltage of 4kV. It can be mounted on DIN rail for modular installation. The width in 9mm pitches is 4. The dimensions are (W) 36mm x (H) 91mm x (D) 75mm. The product color is white (RAL9003). The product weight is 268g. According to IEC 60529 standard, the degree of protection is IP20. The pollution degree is 2. The operating temperature is from -25°C to +70°C. The storage temperature is from -40°C to +85°C. This product is complies with IEC 61009-2-2 and EN/IEC 61009-1 standards.