Tenders for Supply of High Capacity Motor Double Reverser Switch 6 Pole Complete Assly With Drum Assly Drg. No.3Twd.103.011 Alt.1 With Specn. No.4 Tes.103.001 Of 1500 Amps. Capacity To Use On Ac Electric Locos As Per Clw Drg. No.1Twd.103.008 Alt.6 & Clw Specn. No.4Tts.101.005A Alt-5 With Latest Alterations And Confirming To Rdso Smi No.Elrs/Smi/0234Rev.0.