purchase of different types of electro mechanical and numerical relays of ge make , static dc supervision relay , 220v dc coil , type vaa11dc supervision relay , model no . vaa11yf8752ca , coil voltage rating 220v dc , auxillary contacts 2no , 2c0 contacts , flag- reverse , mounting type: flush mounting , static contact multiplying relay , coil supply voltage 220v dc , type is mvajmcontact multiplying relay , model no . mvajm14jb1002a1 , coil voltage rating 220v dc , minimum auxillary contacts 6no , 2nc contacts , mounting type: flush mounting . , under voltage relayac voltage supervision relay , model no vag21zg8087gch , nominal voltage 110 v ac , drop off voltage 66v ac . operating coil voltage rating 220v dc . minimun auxillary contacts 1no+2 nc . flag-reverse , mounting type: flush . , static def time delay relay , coil voltage 220v dc , type is vtt11z , range 2 . 5 - 25 secs . static def time delay relay , application- pick up , model no vtt11zg8155bch , operating coil voltage rating 220v dc , external register 3 . 3 k . ohms . minimun auxillary contacts 4no s/r . time delay range 2 . 5 - 25 seconds , flag-yes , mounting type: flush . , numerical relay for voltage protection model: p94vbnumerical relay , model no . p94vb11e2b0620a , auxiliary voltage rating 220v dc , programmable voltage and frequency protection setting minimum relay output 4nos , relay shall be provided with operatng software cd/dvd . ,