Description: Model: A9I28463 Type: RCCB (Residual Current Circuit Breaker) Poles: 2 (Single-phase or two-wire protection) Rated Current: 63 A Rated Voltage: 230 V AC Rated Residual Operating Current: 30 mA (for human protection against electric shock) Application: Used to provide earth leakage protection, preventing electric shock and reducing the risk of fire caused by leakage currents in circuits for lighting, outlets, and other appliances. Mounting: DIN rail mounted Standards Compliance: IEC 61008-1, EN 61008-1, CE Mark Parameters: Rated Current (In): 63 A Number of Poles: 2 (for single-phase systems or two-wire circuits) Rated Voltage (Ue): 230 V AC Rated Residual Current (IΔn): 30 mA (for personal protection) Tripping Characteristics: Instantaneous tripping for earth leakage current exceeding the rated residual current Type: Type A (for detecting both AC and pulsating DC leakage currents) Frequency Range: 50/60 Hz Rated Insulation Voltage (Ui): 500 V Mechanical Durability: 20,000 operations Electrical Durability: 10,000 operations Connection Type: Screw terminals Rated Impulse Withstand Voltage (Uimp): 6 kV Temperature Range: -25°C to +40°C