16921 | Schneider Electric

Residual current circuit breaker, 16921, Schneider Electric

This is a Acti9 RCCB-ID residual current circuit breaker (RCCB). It is a 4P circuit breaker with In rated current of 125A, A-SI type protection class and a 300mA earth leakage sensitivity. This product protects against electrical shock by indirect contact and fire hazards. The status of the product is indicated via the 3 position toggle and a front panel indicator. It has increased immunity from electrical interference reducing the risk of nuisance tripping. The Acti9 RCCB-ID ensures protection in all industrial and tertiary buildings. This product is compliant with IEC 60947-1, IEC 61008 and IEC 60947-3 standard. The (Im/IΔm) rated breaking and making short circuit capacity is 1250A. The (Inc/IΔc) conditional rated short circuit current is 10kA. The electrical endurance is up to 2000 cycles. The mechanical endurance is up to 5000 cycles. The Ue operational voltage is 400VAC. The Ui rated insulation voltage is 440VAC. The Uimp rated impulse withstand voltage is 4kV. The frequency is 50Hz or 60Hz. It is DIN rail mountable. The width in 9mm pitches is 8. The product colour is light grey (RAL7035). The dimensions are (W) 72mm x (H) 86mm x (D) 76mm. The weight is 420g. It has an IP20 degree of protection. It becomes IP40 once in modular enclosure according to IEC/EN 60529 standard. The operating temperature is from -25°C to 40°C. The storage temperature is from -40°C to 85°C.