The 8345 circuit breaker is ideal for telecommunications equipment, plant control systems, and other applications where reliable protection in a compact package is critical. The 8345 is available in current ratings up to 125 amps. The 8345 circuit breaker meets UL standard 489A. As a single-pole magnetic circuit breaker, the 8345 is available in ratings up to 125 amps and measures 0.749 inches × 1.86 inches × 2.5 inches. The magnetic trip mechanism has a fast trip profile, providing maximum protection of sensitive electronic equipment. The 8345 is also available in two, three or four-pole configurations, with a selection of current ratings from 0.1 amps to 125 amps. The 8345 is suitable for DC 80 V and AC 480Y/277 V applications.