20 Ton Circuit Breakers Part # Description   5 Hp  7.5 Hp 10 Hp 136241P10 CB MCB 3P 240/415V ABBS273-K16 1     136241P11 CB MCB 3P 240/415V ABBS273-K20   1   136241P12 CB MCB 3P 240/415V ABBS273-K25     1