Multi-card switching type energy consumption online monitoring device

The utility model provides a multi-card switching type energy consumption on-line monitoring device, which relates to the technical field of monitoring devices and comprises an energy consumption monitor, a plurality of card switching interface slots are arranged on one side of the energy consumption monitor, a plurality of connecting interface slots are arranged on one side of the energy consumption monitor, and the card switching interface slots are connected with the connecting interface slots. One side of the energy consumption monitor is provided with a limiting and fixing device, through the arrangement of the limiting and fixing device, a line can be clamped and fixed on one of the energy consumption monitors by using a limiting and fixing clamp, so that the line is not easy to fall off, different types of lines can be clamped and fixed by operating different threaded rods, and the energy consumption monitor is convenient to use. Therefore, if an operator pulls a line accidentally during maintenance, t