procurement of alstom make electro mechanical relay for t n c division of 210 mw atps mppgcl chachai procurement of alstom make electro mechanical relay for t n c division of 210 mw atps mppgcl chachai , idmt over current & earth fault relay – 51 / 51 n , senstive earth fault relay- ( 50n2 ) , senstive earth fault relay- ( 50n2 ) , tripping relay- ( 86 ) , tripping relay- ( 86 ) ( grp panel ) , instantaneous earth fault relay ( ref. protection relay ) – ( 64r ) , under voltage relay type- vagm ( universal instantaneous ) ( 27m1, 27m2, 27m3 ) , under voltage relay ( under voltage 50% ) , instantaneous over current relay, type- cdg61 ( inverse ) & earth fault relay ( set of 3 ) , 3- phase over current relay set, type- cdg31 , trip circuit supervision relay - 95 , trip circuit supervision relay – 95, type- vax mkii , idmt o / c & inst o / c relay- ( 51 / 50 ) , auxiliary relay type vaa11 , auxiliary relay type vaa31 , auxiliary relay type- vaa21 , breaker multiplication relay type vajc , anti pumping relay type- vaa , fuse failure relay-98 , fuse failure relay , hs tripping relay – 86m1 , check synchronizm relay, type- ske , rotor earth fault relay vaem-21 , battery earth fault type- caem mc 11 , instantaneous over voltage relay type- vag , instantaneous differential relay type- cag , definite time reverse power relay ccum & definite time relay type-vtt , neutral displacement relay type - vdg , definite time o / c relay type ctu ( phase o / c ) , test terminal plug ( type mpb ) , ten pairs of silver plated finger contacts , test terminal block ( type mpg ) , control relay type vajc