supply of rc filter consist of 1 ohm,rc filter consist of 1 ohm,,rc filter consist of 1 ohm, 6w resistor connected in series with parallel connected 1.5 micro f arad, 850v capacitor of vishay or epcos make in each arm of 415v circuit between phase to neutral and ph ase to earth circuit as per bill of material of rdso specn. no. rdso/pe/spec/ac/0184-2015 rev-1 used in s witch board cabinet of lhb eog ac coaches. material should be procured from rdso approved vendors as specified in spec rdso/pe/spec/ac/0184-2015 rev-1( i.e bhasin packard , nacei, ael, ramyaa, trolex, a brol , nec , isg , trinitron) only. [ warranty period: 30 months after the date of delivery ] ]