A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by overcurrent/overload or short circuit. Its basic function is to interrupt current flow after protective relays detect a fault.
This Easy9 product is a low voltage miniature circuit breaker (MCB). It is a 2P circuit breaker with 2 protected poles and 50A In rated current and C tripping curve. The rated short circuit breaking capacity goes up to 4500A at 230VAC conforming to IEC 60898-1 standard and 25kA at 24…48VDC conforming to EN/IEC 60947-2 standard. It is compliant with IEC 60898-1 standard. This product has a protection against short circuit and a protection of cable against overloads. It has a fault tripping indication on the front panel by the position of the handle (O-I engraved). This product is dedicated for residential and small commercial buildings. It has an electrical endurance going up to 4000 cycles and a mechanical endurance going up to 10000 cycles. The Ue operational voltage is 400VAC. The Ui rated insulation voltage is 500VAC. 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 4 pitches of 9mm. The product colour is light grey (RAL7035). The dimensions are (W) 36mm x (H) 81mm x (D) 66.5mm. According to IEC 60529 standard, the degree of protection is IP20 and IP40 in enclosure. The operating temperature is -25°C to 60°C. The storage temperature is -40°C to 85°C.