A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.Its basic function is to detect a fault condition and interrupt current flow.n early form of circuit breaker was described by Thomas Edison in an 1879 patent application, although his commercial power distribution system used fuses.
Since the shortest swim distance in a triathlon is likely 400â800 meters, and typically more, one needs to consider what training is required to sustain a good pace for the distance to be swum. 800 meters is no sprint.
Mini sprint distances. A mini sprint or mini triathlon are one of the distances that have no set distance. Usually if two or three of the three triathlon sports is below sprint distance, you can call it a mini sprint. These two plans will train you for a triathlon with these distances: 400 yard swim | 8mile bike | 1.5 mile run.