As a professional manufacturer, we are proud to present our Residual Current Circuit Breaker With Overload Protection CJBL-63 4P with high-quality features and safety standards. This 4 pole circuit breaker is designed to protect your electrical circuits from overload and short circuit damages, while also providing residual current protection to prevent electric shocks. The CJBL-63 4P has a compact and ergonomic design, which makes it easy to install and maintain. It features a reliable breaking capacity of 10KA and comes with a test button to ensure continuous safety performance. With our factory's dedication to quality and precision, you can trust our products to safely and efficiently manage your electrical systems.