Protection device of switch cabinet control loop

The utility model provides a protection device for a control loop of a switch cabinet, and the device comprises a current detection module which is disposed corresponding to the control loop, and is used for detecting the current of the control loop to obtain a current signal; the switch control module is connected with the control part of the loop switch; and the main control module is respectively connected with the current detection module and the switch control module, and the main control module is used for sending an instruction signal to the switch control module according to the current signal so as to control the switch part of the loop switch to be switched off through the control part of the loop switch, so that the control loop is protected when the switch cabinet fails to be switched on or switched off. According to the utility model, the control loop can be protected when the switch cabinet fails to be switched on or switched off, the coil is prevented from being damaged or the air switch is pre