Pressure Switch ( Inter Lock Regen With Loco Brake Swc) For 25 K.V. A.C. Loc Omotives For Wag-7 & Wap-4 As Per Spec. No. Clw/Es/S-24, Alt-'I' Annexure-'A' Sr. No. 2, Each Unit Should Be Embossed/Engraved With Maker'S Name , Month, Year & Batch No. Of The M Anufacturing At A Conspicuous Place. [ Warranty Period: 30 Months After The Date Of Delivery ] ]