circuit breaker 
noun
An automatic device for stopping the flow of current in an electric circuit as a safety measure.This circuit-breaker is suitable for plants in which smooth DC fault currents can occur....
- This included adjusting the voltages in the electrical system to allow a circuit-breaker to be closed.
- Eight new styles are being designed especially for the development, and all will include circuit-breakers.
- multi-chip
- multi-choice
- multi-choke
- multichord
- multiciliate
- multiciliated
- multicipital
- multicircuit
- multicistronic
- multi-city
- multi-class
- multi-coat
- multicoat
- multi-coated
- multi-coating
- multi-coil
- multicollinearity
- multicolored
- multicolour
- multicoloured
- multicolouredness
- multi-column
- multicomponent
- multicomponential
- multiconductor