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.
Ironman Triathlon. An Ironman Triathlon is one of a series of long-distance triathlon races organized by the World Triathlon Corporation (WTC) consisting of a 2.4-mile (3.86 km) swim, a 112-mile (180.25 km) bicycle ride and a marathon 26.2-mile (42.2 km) run, raced in that order and without a break.he race typically starts at 7:00 a.m.; the mandatory swim cut off for the 2.4-mile (3.9 km) swim is 9:20 a.m. (2 hours 20 minutes), the mandatory bike cut off time is 5:30 p.m. (8 hours 10 minutes), and the mandatory marathon cut off is midnight (6 hours 30 minutes).