Circuit breaker including two circuit breaker mechanisms and an operating handle

A circuit breaker comprising:

• a housing;
• line and load terminals;
• a first circuit breaker mechanism comprising:
• a first set of separable contacts,
• a first operating mechanism for moving said first set of separable contacts between an open position and a closed position, and
• a first trip mechanism cooperating with said first operating mechanism for moving said first set of separable contacts from said closed position to said open position thereof;
• a second circuit breaker mechanism comprising:
• a second set of separable contacts in series with said first set of separable contacts between said line and load terminals,
• a second operating mechanism for moving said second set of separable contacts between an open position and a closed position, and
• a second trip mechanism cooperating with said second operating mechanism for moving said second set of separable contacts from said closed position to said open position thereof;
• an operating handle having an on position and an off position;
• a first link from said operating handle to said first operating mechanism;
• and
• a second link from said operating handle to said second operating mechanism,
• wherein said first and second links engage said first and second operating mechanisms to move said first and second sets of separable contacts, respectively, between said corresponding closed and open positions thereof responsive to the on and off positions, respectively, of said operating handle.