supply of disconnecting & earthing device rotarydisconnecting & earthing device rotary,disconnecting & earthing device rotary, 8 pole, 2 way, on-off, on load 63a, 750v ac (1000- insulation) 2no + 2nc with heavy handle & pad locking arrangement in earth position mounted without she et steel/ stainless steel enclosure suitable for ac-23 duty conforming to rcf specification edts- 355 (rev-1 ). product is l&t (lauritz knudsen) salzer part no. 73342slb321 ogb or equivalent part of schaltbau. mate rial shall be procured from said oem or his authorized dealers only with tender specific authorization of oe m. [ warranty period: 30 months after the date of delivery ] ]