supply of vcb for use in vande bharat trainsets to clause no. 4.27 of rdso specification.vcb for use in vande bharat trainsets to clause no. 4.27 of rdso specification.,vcb for use in vande bharat trainsets to clause no. 4.27 of rdso specification no. rdso/pe/ spec/emu/0196-2019 rev-0 along with latest annexure and addendum/corrigendum with complete adhere nce to overall general arrangement to icf drg no. icf/sk3-7-2-075, ip67 protection class for external porti on and ip20 for internal portion, vcb shall be provided with minimum 4 no + 4 nc auxiliary contacts and t echnical parameters confirming to clw spec. clw/es/c-47 alt-i firms offer: same as above. make/brand:s chneider [ warranty period: 30 months after the date of delivery ] ]