GN22-12(C) Indoor AC High Voltage Disconnect Switch is indoor type and used for high voltage equipments to open, close or exchange circuits under the conditions with voltage and no load in 50HZ, 12kv power system.
Main features;
*Ambient Temperature:upper limits +40℃,lower limits -30℃
*Altitude above sea level no more than 1000m
*Earthquake intensity:not exceeding 8 degree
*Occasions without tinder,explosion danger, chemical corrosion and severe vibration

 

Technical Specification/Parameter

◆Rated voltage: 12KV ◆Rated current: 1600-2000/2500-3150A ◆Rated frequency: 50HZ ◆Rated short-time withstand current:40/50KA ◆Rated peak withstand current:100/125KA ◆Rated duration of short-circuit:4s ◆1min P.F withstand voltage:phase to phase,to earth 42KV,gaps 49KV ◆Lightning impulse withstand voltage(peak):phase to phase,to earth 75KV,gaps 85KV.