Isolation switch and power supply system

The invention discloses an isolation switch and a power supply system, and the system comprises a housing which comprises a pedestal, a cover body, and an installation space formed by the cooperation of the pedestal and the cover body; the operating mechanism is used for realizing opening/closing of the isolating switch, is arranged in the mounting space and is provided with a locking structure, and when the isolating switch is closed, the operating mechanism is kept in a closed state through the locking structure; the operating part is positioned on the outer side of the shell and is linked with the operating mechanism; the tripping driving assembly is used for actuating when receiving a tripping signal to drive the locking structure to unlock so as to enable the operating mechanism to return to an opening state; the device further comprises an installation support, the installation support is provided with a first installation position, and the tripping driving assembly is fixed to the first installation po