Generator outlet circuit breaker

The invention discloses a generator outlet circuit breaker, and belongs to the technical field of electricians. The generator outlet circuit breaker comprises an L-shaped handcart frame body which is provided with a first fixing plate and a second fixing plate, and the first fixing plate and the second fixing plate can be detachably connected with a switch cabinet; the circuit breaker main body comprises an upper elliptic insulator, an upper copper support, a lower elliptic insulator, a lower copper support and a vacuum arc-extinguishing chamber, one end of the upper elliptic insulator is connected with the mounting piece, the other end of the upper elliptic insulator is inclined upwards and is connected with the upper copper support, one end of the lower elliptic insulator is connected with the mounting piece, and the other end of the lower elliptic insulator is connected with the lower copper support. The other end of the lower elliptical insulator is inclined downwards and is connected with the lower coppe