General Electric TED113050: 50AMP, 277VAV, 1 Pole Circuit Breaker
(See attached image with the red circle highlight. Number of Poles : 1 Pole. Trip Type : Non-interchangeable thermal-magnetic trip. Core Electrical Specifications. 6.31″ x 1.38″ x 4.09″ with lugs). Actuator : Manual toggle handle.