supply of supply of drop out time delay relaysupply of drop out time delay relay,supply of drop out time delay relay for anti-skid true off delay, control supply voltage 110-240v ac/dc, place of install ation s1 k05, as per sr. no. 17 of annexure of rdso letter no. el/7.1.108/mssbc dated 17.09.2021. make / model no: ct-ars. 21s of abb, 3rp25401aw30 of siemens, re22r2kmr of schneider, 23gdt0 of l&t and mk7873n of dold, etd-bl-it-2 30-pt of phoenix and luetze. note: firm should supply proof of purchase from oem or authorized dealers only. firm should sup ply test certificate & guaranty certificate along withsupply of item. [ warranty period: 30 months after the date of delivery ] ]