supply of k44 contactor for 60kva transformer rated current: 200a,rated voltage:690v ac, mainpole:4,aux contact :01no+1nc, control voltage:230v ac (168 v ac-300 v ac means 230v ac +/- 30) withsurge suppressor. make: abb (model no.-af140-40-00-13 or cal9-11), schneider (model no.-lc1d1150046m5n or la4da2u), siemens (model no.-3tk1042-0au0 or 3tk1930-0b or 3rt13556ap36) orl&t (model no.- cs97021booo or cs94164booo) .