Electric control component and looped netowrk cabinet thereof

The utility model provides an electric control component and looped netowrk cabinet thereof, the electric control component, include: fixed cassette, relay, control terminal and signal reservation terminal subassembly, relay, control terminal and signal reservation terminal subassembly set up respectively in on the fixed cassette, control terminal and signal reservation terminal subassembly set up respectively in the both sides of relay. Control terminal and signal reservation terminal subassembly set up respectively in separately arranging promptly in the both sides of relay, can effectively avoid signal interference, and the signal position can accurately be uploaded, the relay through the grafting base set up in on the fixed cassette, can accomplish that the relay of different electric pressures is realized exchanging for the general line of product can be stronger, and ann's rule electric capacity and freewheeling diode parallel connection can make the utility model discloses be applicable to the demand o