We provide Tender Bidding Support for Supply of Set Of Push Button Switches With 22.3Mm Cut Out Dia, As Per Specification No. Mr/Poh/E/T&C/001Rev-01, Drawing No. Mr/Poh/7/5/0299-2 Alt A For Ac Rakes Of Kolkata Metro. Nb: 1 One Set Consists Of 30Nos. Green Colour Push Buttons, 34Nos. Red Col Our Push Buttons And 18Nos. Yellow Colour Push Buttons. 2 04Nos. Push Button Swi Tches Should Be Provided With 01No. Contact Element With Contact Configuration 1 No. +1Nc. 3 The Remaining Push Button Switches Should Be Provided With 01No. Cont Act Element With Contact Configuration 2No. Warranty Period: 30 Months After The Date Of Deli Very