Powerpact B-Frame Brings Thermal-Mechanical Circuit Protection In A Compact Size And Offers A Wide Range Of Accessories, Auxiliaries, And Connection Options. This Powerpact B-Frame Circuit Breaker Provides Thermal Magnetic Circuit Protection With A Breaking Capacity Of 14Ka At 600Y/347Vac. All Powerpact B-Frame Circuit Breakers Are Equipped With Dual-Break Rotating Contacts That Reduce The Amount Of Peak Current During A Short Circuit Fault. All Powerpact Circuit Breakers Have An Integral Push-To-Trip Button In The Cover To Manually Trip The Circuit Breaker. Powerpact B-Frame Circuit Breakers Come In 1 To 4-Pole Unit Mount Construction And In 1 To 3-Pole I-Line Construction. I-Line Circuit Breakers Come With A Shrouded I-Line Plug On Jaw. This Unit Has I-Line Terminations On The Line Side And Mechanical Lugs On The Load Side. This Powerpact B, 40A, 2 Pole, Circuit Breaker Has A Breaking Capacity Of 14Ka At 600Y/347Vac. This Circuit Breaker Has A Continuous Current Rating Of 80% With An Ac Phase Connection. Powerpact B Circuit Breakers Comply To Ul, Csa, Nom, And Iec Standards And Are Ce Marked.