Supply of 11 Kv Outdoor Type Air Break Switch Shall Confirming To Is 9920/1981 Part I To Iv Is 2633 & Is 2544/1973 With Latest Amendment If Any, No Of Poles-3, 50Hz, 11 Kv, 200 Amps Vertical Mounting Female Type Of Contacts With Spring Action On Either Side And Male Type Moving Contact Materials Of Contacts Shall Be Of Copper Hard Drawn Grade And Silver Plated, Polymer Insulated Should Be Confirm To Iec 61109 Including Channel Support With Hallow Square Rod Gi Pipe Type Test Report For Polymer Insulator Is Necessary Warranty Period: 12 Months After The Date Of Delivery
