Tender Notice for Insulation Monitoring Relay (IMR) to monitor 3 Phase power supply of voltage range 110 V AC, measuring range 1 - 100 Kohm, controlvoltage 24 - 240 V AC / DC output 1 C / 0 (SPDT) contact system leakage capacitance 10 micro Farad as per Contrel model No. IR 140Y - 4, RI - R 22(or) ABB model No.CM.IWS.1S(or)Schneider model no. Vigil Ohm / IMD -IM10 (or) Siemens model no. 3UG4581 - 1AW30 (or)DOLD modelno.IL5880 (or) Bender (or) Woka. Suitable for installation in S1A6 as per RDSO/PE/SPEC/AC/0184-2015(Rev-1). Makes: Contrel / ABB/ Schneider / Siemens / Dold / Bender / Woka only. in Andhra Pradesh