supply of contactor with surge suppressor.contactor with surge suppressor.,contactor with surge suppressor for lhb ac coaches, current rating 200 amps, voltage ratin g 440vac, 50/60 hz, main pole 4 nos, aux. contact 1 no + 1 nc, control voltage 168-300v ac, plate & rail mounting support standard iec/en 60947, suitable for fitment in switch board cabinet of lhb ac coaches fo r 60 kva transformer secondary, item code s1k44, degree of protection ip20. makes: abb, schnieder, siem ens as per sl.no.34, pg.no.31&32 of bill of material of switch board cabinet with rdso spec no .rdso/pe/s pec/ac/0184-2015 rev-1. accepted brand & make: brand [ warranty period: 30 months after the date of delivery ] ]