The invention discloses an integrated vacuum breaker, and relates to the technical field of breakers. One side of each breaker body is provided with an operating mechanism fixing support, the breaker body and an operating mechanism are fixedly installed via the operating mechanism fixing support, an isolation switch and grounding switch operation selection shifting lever, a grounding switch operation shaft and lock piece, and an isolation switch operation shaft and lock rod are arranged in the operating mechanism, the outside of the breaker body is provided with a no-side-wall outer cover, the outer cover comprises a cover plate and a front panel, the outer cover is connected with the breaker body via the front panel, the breaker body and the operating mechanism are an integrated structure, and the grounding switch operation shaft and lock piece, the isolation switch operation shaft and lock rod, and the breaker body are mechanically interlocked. According to the integrated vacuum breaker, the operating mechanism and the breaker are integrated, the operation is convenient, maloperation is prevented, and convenience and safety are realized.