Supply Of surge protection Device (SPD)

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Supply Of surge protection device (spd) , supply,installation,testing and commissioning of surge protection devices of class b and cla ss c arrangements.supply and installation of class b&c surge protection device (spd) type i & ii with visual indication and potential free contract to remote monitoring as per rdso spec no. rdso/spn/165/2012 vers ion 3.0 or latest and iec standard 61643 for signals line 230 v ac application with handling lightning surges of 10/350 microseconds and switching surges of 8/20 microseconds. one set consists of 3 nos. of spd (two nos. of b class (l-n, n-e) and one no of c class (l-n) all enclosed in a box with kema or vde certified as per latest iec 61643-11-2011 standard class b&c surge protection device required with three modules only. sp d shall be of make obo, phonix, dehn, shirtec , plt, jmv,citel [ warranty period: 30 months after the date of delivery ] ] , supply,installation,testing and commissioning class b & c surge protection device (spd) typ e i & ii with visual indication and potential free contract to remote monitoring as per rdso spec no. rdso/ spn/165/2012 version 3.0 or latest and iec standard 61643 for signals line 230 v ac application with handli ng lightning surges of 10/350 microseconds and switching surges of 8/20 microseconds, one set consists of 3 nos of spd (two nos of b class (l n, n-e) and one no of c class (l-n) all enclosed in a box with kema or v de certified as per latest iec 51643-11-2011 standard class b&c surge pretection device required with thr ee modules only. make - pheonix,obo, dehn, shirtec , plt, jmv,citel [ warranty period: 30 months af ter the date of delivery ] ]