supply of set of snap action micro switches , set of snap action micro switches for 3ph locomotives pre-charging conta ctors. one set consists of 02 items in 02 nos. as follows. 1) micro switch type no s 846-1 -20 to schaltbau pt.no. 1-1546-194116 or secheron pt no. hbta420574p0001 - 01 no/set 2) micro switch type no.s845-1-20 to schaltbau pt.no. 1-1545-194558 or secheron pt no. hbt a420574 p0002 - 01 no/set. make:secheron or schaltbau or note:- firm should submit auth orised dealership certificate along with the tender or proofof purchase from authori sed dealer or oem at the time of supply. [ warranty period: 30 months after the date of delive ry ] ]