Manual switching case of power

The utility model provides a manual switching case of power, include: the plastic width -lock type single -layer sealed packing case comprises a casin. First switch and second switch, install in the surface of box, first circuit breaker, set up in in the box, link to each other with the power supply load, the second circuit breaker, set up in in the box, link to each other with the power supply load, the mechanical interlocking device, connect in first circuit breaker with between the second circuit breaker, and respectively with first switch with the second switch links to each other controlduring first switch closure first breaker closing the disconnected floodgate of second circuit breaker control when the second switch is closed the second breaker closing the disconnected floodgate offirst circuit breaker. The utility model relates to an adopt manual switching case of power, when the sectionalized subsidiary panel trouble of a DP of DP3 boats and ships is lost, can avoid throughmanual switching case of po