supply of electric point machine non-trailable type 220 mm.electric point machine non-trailable type 220 mm.,electric point machine non-trailable type conforming to rdso specification no.irs:s-24/2002 am endment no.1 or later with following further information. a] 220 mm throw with interlocking for operation of point i n railway yard as per rdso drg.no.s-11000. b] type of ground connections with nylon insulation conforming t o rdso drg.no.s-3454 and clamp point lock confirming to rdsodrg no. 3395 for 60 kg.thick web switch .c] ac immunity level of motor for electric point machine should be of 400 v [r.m.s] 50 hz.the external colour of ele ctric motor shall be painted with red colour. [ warranty period: 30 months after the date of delivery ] => limited