Hv Overload Relay(Qlm) With Mechanical Interlocking Arrangement Having 2 Nc Interlo Ck Type Di As Per Clw Specn.No. Clw.Es.R-27 Alt-"Z". [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lac S ] ]