Circuit breaker module EH-1.63 & ndash; protective device for performing self-breaking current supply when the mains malfunction. Immediately turn off power if human contact with uninsulated conductors, as well as short-circuit, overload and power breakdowns. In the manufacture of the housing base taken high quality plastic that is resistant to damage, and also promotes combustion. It has a compact size. Acceptable voltage during operation is from 230 to 400 V. This device is classified into a single-phase and two-phase, the difference between them lies in the number of connected wires. Degree of protection IP20 standard.