tender for supply of relays of m/s hitachi energy india limited (formerly known as abb) make relays for stps, suratgarh , numerical relay for interlinking transformer protection type-ret670, ied version: 2.2.5 communication on iec 61850, aux dc: 220v, hardware: size: 3/4 x 19” case , flush mounting kit, trm: 2nos., 9i(1a)+3u, 6i(1a)+6u bim (16 i/p): 1 no., bom (24 o/p): 1 no., iom (8 i/p, 12 o/p): 1 no. provided with corresponding installation software with license (pcm-600 latestversion software cd/pen drive) note: relay should be suitable for replacement of existing ret-670 equivalent to s. no: i2330029 or i2330030 or i2330031 or i2330032 heil description - ret670, ied version: 2.2.5 , 3-ph tripping220-250v,type-rxma 1,model no-inrk 211 052-as , tripping relay 220-250 v ,type-rxme 1 model no-inrk 221 025-as , tripping relay 48-55v dc,type-rxme 1 model no.- inrk 221 052-ah , output and tripping relay 24 v, type- rxme 18, model no.-inrk 221 825-ad , ac chg over to .cum.timer 15-60hz 220v,type- rxmh 2, model no-inrk 223 069-es , o/p relay 220v,tupe-rxmh 2,model no-inrk 223 067-as , dc fail accept 15-60hz 220v,type-rxmh 2 ,model no.-inrk 223 068-es , cb auto trip 220-250v dc,type-rxmm 1,model no-inrk 214 003-as , cb auto trip 220-250v dc,type-rxmm 1,model no-inrk 214 005-as , tripping relay 220 vdc,type-rxms 1,model no-inrk 216 065-as , tripping relay 220 vdc,type-rxms 1,model no-rk 216 263-as , nit switch multi, cb multi 220 vdc type- rxmvb 2,model no-inrk 251 206-as , latching relay 220 vdc type- rxmvb 2,model no-inrk 251 205-as , nit switch multi rel 220v dc,type- rxmvb 4,model no-inrk 251 403-as , dc-dc converter unit u1 110-250 v dc u2 +/- 24 dc type-rxtug 21h,model no-in rk732 105-cb , hmi for ret 670 relay note: hmi should be suitable for replacement of existing ret-670 equivalent to s no i0751005 & i0751006 , item wise boq