supply of (1) voltmeter selector rotary switch (2) ammeter selector rotary switch , voltmeter selector rotary switch with marking l1 - l2, l2 - l3, l3 - l1. rated voltage 1000v ac to l&t salzer cat no.61312 sab13tdyr, siem ens cat.no.3ld40014dc300rc0 and schneider cat.no.k10d024mch only as per bom of rdso specification no. rdso/pe /spec /ac/0184-2015 (rev 1). [ wa rranty period: 30 months after the date of delivery ] ] , ammeter selector rotary switch with marking l1- l2-l3-0-l1-l2-l3 to l&t salzer cat.no. 61325 sab13tdyr, siemens cat.no. 3ld 40014dc200rc0 and schneider cat.no. k10f003mch only, as per rdso spec.no.rdso/pe/spec/ 0184-2015 rev.1. [ warranty period: 30 months afte r the date of delivery ] ]