supply of disconnecting and earthing device 8 poledisconnecting and earthing device 8 pole,disconnecting and earthing device 8 pole, 2 way, without off, on load, 125 a, 1000 v a c, with 2 no+2nc and heavy handle with pad locking arrangement in earth position mounted in steel enclosure suitable for ac 23 duty conforming to is/iec:60497 with maximum depth (including handle) of 480 mm of catalogue no./make: 74168slb32logbsso of l&t-salzer or m137.0827407r1 of schaltb au or is81210tt19l of techno trendz or 12580892a34v49xe of kaycee as per sl. no.1 of common bo m of rdso letter no. el/7.1.108/mssbc dated 17 09-2021 or any equivalent make with prior prototype approvalfrom rdso/icf/rcf. offers from oem or their authorized dealers shall only be considered. [ warranty period: 30 months after the date of delivery ] ] csd/per, sr tamil nadu 77.00 numbers