supply of bus coupler control of hog a/ b mode (s2k8, s2k9z) auxiliary contactor etcbus coupler control of hog a/ b mode (s2k8, s2k9z) auxiliary contactor etc,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 or l & t part no. mo 0 dc or c & s electric part no. tca3dn31bd/tca3dn31fd only. [ warranty period: 30 months after the date of delivery ] ]