Contractor For Control Electronics 'On' And 'Off' Schaltbau Type: S-164, 140 Amps. 110 V (Pos./Qty.126/1 & 218/1) For Wap-7 & Wag-9 (3-Phase) Class Of Locos. As Per Clw Specn. No.Clw/E S/3/0034 Alt-C (Type-4 & Type-6). [ Warranty Period: 30 Months After The Date Of Delivery ] ]