Features Flame Retardant and Insulated Outer Case: Provides a safe and reliable outer casing that is resistant to flames, ensuring enhanced safety for the circuit breaker and the surrounding environment. Full Copper Contact for Excellent Conductivity: Equipped with full copper contacts that offer superior conductivity and can handle high load currents, ensuring efficient and reliable performance. Wide Control Handle with Isolation Function: Features a wide control handle with an isolation function, designed for user convenience and enhanced safety during operation. Reliable Operation Confirmation: Prior to use, the experiment button should be pressed 2-3 times to confirm reliable disconnection, ensuring operational safety and efficiency. Versatile Application: Distributes power energy and protects circuits and power equipment from damage caused by overload, short circuit, under-voltage, and other faults, providing comprehensive protection for various applications. Specification: Number of poles: 3P+N Rated current: 63A/80A/125A (Optional) Rated insulation voltage(Ui): 800V Installation method: Horizontal or vertical installation Size (LxWxH): 122x150x80mm / 4.8x5.9x3.1in Package list: 1 x Residual Current Circuit Breaker Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List