... of energy saving release vAC,DC220 AC,DC110Closing time ms≤75Opening time ms≤60(40)Power of energy saving motorw275Energy saving times≤15Mechanical ... .8~1.3;5.Contact bouncing duration at closing operation ms ≤2;6.Core distance between phases mm 210,230,250 ... ,275;7.Three-pole simultaneity ms ≤2;8.Condactive circuit resistance of each phases μΩ <40. ZN28 ...