Features Strong Wiring Capability: Designed to adapt to a wide range of uses, ensuring robust and reliable wiring for various electrical applications. High Connection Capacity: With a maximum connection capacity of 25mm and a wiring torsion of 3.5Nm, it is suitable for a variety of installation equipment, providing secure and stable connections. Secure and Easy Installation: Offers secure wiring and straightforward installation process, ensuring convenience and safety for users. Versatile Application: Suitable for industrial, commercial, high-rise buildings, and residential use, providing effective circuit protection in diverse settings. Enhanced Safety Features: Provides protection for AC 50/60HZ circuits, with a rated voltage of 230V for 2 poles and 400V for 4 poles, and a rated current of 63A, ensuring power cutoff in case of electric shock or grid leakage current exceeding a fixed value. Specification: Item Type: Residual Current Circuit Breaker Rated Current Input: 25A, 40A, 63A(optional) Pole: 2P Rated Voltage Ue: 230VAC Insulation Voltage Ui: 500V Rated Frequency: 50/60Hz Rated Sensitivity: i△n 100mA Rated Remaining on and off Capability: Im 500 (In=25-40A) 630 (In=63A) Short Circuit Current: lnc=l△c 6000A Disconnect Time: i△n ≤0.1S Rated Impulse Withstand Voltage: (1.2/50) Uimp 6000V Insulation Test Voltage (within one minute): 2.5KV Electrical Life and Mechanical Life: 4000 Degree of Protection: IP20 Set the Reference Temperature of the Thermal Elements: 30℃ Ambient Temperature (daily average ≤ 35℃): -5~+40℃ Storage Temperature: -25~+70℃ Package List: 1 x Residual Current Circuit Breaker Package List 1 x Residual Current Circuit Breaker