supply of supply of point contactor unit group relay , supply of point contactor unit group relay integra make as per drg. no. iig30001w0001 or latest, non-ac immune, plug in type, working over 24v dc and capable of controlling electric point machine operating on 110 v dc conforming to irs:s-46 or latest, irs:s-34 or latest & irs:s-23 or latest. the unit sha ll consist of n/r relay (double wound dc neutral line relay), xr relay (dc neutral relay). w(n) r/w (r)/r me hanically interlocked relay & wcr (heavy duty contractor relay with 16 amperes breaking capacity). all the above relays shall be mounted on pre-wired base plate. [ warranty period: 30 months after the date of d elivery ] ]