Eaton / Cutler-Hammer Bolt-On Circuit Breaker Its Compact And Easy to Install three poles thermal-magnetic circuit breaker has a current rating of 50 amps at 40 deg c and voltage rating of 240 Vac it has an interrupt current rating of 10 kilo-amps it accommodates aluminum/copper wire of size 14 to 4 AWG at load it has extended tang line terminal and box lug load terminal for convenient connection it has bolt-on type connection it is suitable for industrial applications circuit breaker is Ul 489 listed and Csa certified.