Outdoor looped netowrk cabinet short -circuit fault indicating system

The utility model provides an outdoor looped netowrk cabinet short -circuit fault indicating system, include: a plurality of has module, on -off control module, short circuit measuring unit and a plurality of relay module and the power module of cable interface, relay module's quantity and module quantity correspond, short circuit measuring unit's output connection has the measurement generating line, and the output of each module links to each other with measurement generating line one -to -one through relay module respectively, the on -off control module contains switch selecting circuit, switch selecting circuit's output links to each other with the control end of each relay, power module's output links to each other respectively with on -off control module, short circuit measuring unit's feeder ear. The utility model provides an outdoor looped netowrk cabinet short -circuit fault indicating system is more energy -conserving, has reduced outdoor looped netowrk cabinet later maintenance cost, the duration o