1)Main special feature: 1:Anti-corrosion aluminized and galvanized steel cabinet, can be used in complex working situation 2:With flexible hardcart, easy for operation and maintenance 3:Full safety protection for human and electric grid 4: Multi loope distribution way 2)General KYN28-12 is a complete set of indoor equipment for power distribution / receiving , protecting and supervisng the circuit. Rated voltage KV 3.KV to12KV Frequency Hz 50Hz,60Hz Rated current of breaker A 630, 1250,1600,2500,3150 Rated current of switch gear 630, 1250,1600,2500,3150 Rated short time withstand current KA 16,20,25,31.5,40 peak value withstand curent 40,50,63,80,100 3)Features 1: STRICT protection step to ensure personal safety 2: The cable room can be installed as many as 9 single-core cables 3: Operation and testing positions will be established for the handcart, and both positions are equipped with safe and reliable positioning device and display device 4: The enclosure is completely assembled from aluminized and galvanized steel plate, which are machined and bent by machine tool and then bolted. 5: It has high mechanical strength and its neatness and beauty is ensured. 6: The switchboard door is sprayed with plastic, also has strong capacity of impact resistance and corrosion protection