Time Delay Relay For Cab Ac Of Wag9 Electric Locomotives. Make: Bch Electric Or Schneider Or Wq. Note: 1) Item Should Be Suitable For 2T Capacity Roof Mounted Cab Ac Of Make Daulatram / Intec / Si Dwal / Kki Fitted On Wag9 Electric Locos To Rdso Specification No: Rdso/2007/El/Spec/0055 Rev.2 Of Nov 2 007, Revised On 07.10.2014 Or Latest. ]