procurement of ge ( t and d ) alstom make numerical relay for bus bar protection for t and c-iii , stps , sarni . , ge ( t&d ) alstom make numerical relay for bus bar protection , ge t&d ( ex-alstom ) make bus-bar differential protection relay micom p741956a6m0510k[central unit]technical specificationbus bar protectionfeature:central unitvx nominal auxiliary voltage option:110-250vdc ( 100-240v ac ) mounting option:flush panel mountingcommunication option:5 communication boards ( 20 peripheral units ) hardware options: ethernet ( 100 mbps ) protocol options: courier ( k-bus ) with additional iec61850language: multilingual-english , french , german , spanish , ge t&d ( ex-alstom ) make bus-bar differential protection relay micom p743916a6m0510k[peripheral unit]technical specificationbus bar protectionproduct specific options: 16 relays outputs and 24 status inputsin nominal current: 1/5avx nominal auxiliary voltage option: 110-250vdc ( 100-240v ac ) mounting options:flush panel mounting , with harsh environment coatinghardware options:with in =1/5a ct inputcommunication option: ethernet ( 100 mbit/s ) language options:multilingual-english , french , german , spanish