supply of bus coupler control of hog a/ b mode (s2k8, s2k9z) auxiliary contactor, safety lop hog a & b control auxiliary contactor, hog a & b over load auxiliary contactor & hog a & b earth leakage auxiliary contactor with 24v dc coil, aux. 3 no+ 1 nc. material shall conforming rdso specification no. rdso/ pe/ spec/ tl/0195-2019 (rev-0). material is schneider part no. ca3kn31bd or siemens part no. 3rh21311bb40 or abb part no. tkc6-31z . note: material shall procure from above said oem(abb/siemens/schneider) or their authorized dealers with tender specific authorization letters from oem only to quote with documentary evidencebus coupler control of hog a/ b mode (s2k8, s2k9z) auxiliary contactor, safety lop hog a & b control auxiliary contactor, hog a & b over load auxiliary contactor & hog a & b earth leakage auxiliary contactor with 24v dc coil, aux. 3 no+ 1 nc. material shall conforming rdso specification no. rdso/ pe/ spec/ tl/0195-2019 (rev-0). material is schneider part no. ca3kn31bd or siemens part no. 3rh21311bb40 or abb part no. tkc6-31z . note: material shall procure from above said oem(abb/siemens/schneider) or their authorized dealers with tender specific authorization letters from oem only to quote with documentary evidence,bus coupler control of hog a/ b mode (s2k8, s2k9z) auxiliary contactor, safety lop hog a & b control auxiliary contactor, hog a & b over load auxiliary contactor & hog a & b earth leakage auxilia ry contactor with 24v dc coil, aux. 3 no+ 1 nc. material shall conforming rdso specification no. rdso/ p e/ spec/ tl/0195-2019 (rev-0). material is schneider part no. ca3kn31bd or siemens part no. 3rh21311b b40 or abb part no. tkc6-31z . note: material shall procure from above said oem(abb/siemens/schneide r) or their authorized dealers with tender specific authorization letters from oem only to quote with docum entary evidence [ warranty period: 30 months after the date of delivery ] ]