Short product description:
The Hager CDB640D is a 4-pole residual-current device designed for electrical safety and circuit protection. It features a rated current of 40 A, operates at a 50 Hz frequency, and utilizes Type B+ residual-current technology. With a breaking capacity of 800 A and a total power loss of 6.77 W, this 4-module device is engineered for reliable performance in industrial and commercial electrical distribution systems.