This Domae DPN vigi is a residual current breaker with overcurrent protection (RCBO). It is a 1P+N residual current device, 16A rated current and C tripping curve. The earth leakage protection class is A-SI type with a sensitivity of 30mA. The earth-leakage protection time delay is instantaneous. The Icn rated short circuit breaking capacity is up to 4500A. This product protects against short circuit, cable overload, electrical shock by indirect contact and fire hazards. A push-test button is positioned on the front of the device for testing that product is operational. This product is compliant with EN 61009-2-1 and EN 61009-1 standards. It has an electrical endurance going up to 20000 cycles and a mechanical endurance going up to 20000 cycles. The Ue operational voltage is 230VAC. The Ui rated insulation voltage is 440VAC. The frequency is 50Hz. It is DIN rail mountable. The width in 9mm pitches is 4. The dimensions are (W) 36mm x (H) 82mm x (D) 76mm. The weight is 190g. According to IEC 60529 standard, the degree of protection is IP20 and IP40 in enclosure. The operating temperature is from -25°C to 60°C. The storage temperature is from -40°C to 60°C.