supply of working and non-working (s2k4, s2k5, s2k6, s2k7) power contactors, , working and non-working (s2k4, s2k5, s2k6, s2k7) power contactors, 3pole 1000 v ac operational voltage, 50hz, suitable for 100kva, 750vac, onload switching under ac-6a c ategory at temperature of 70 degree celcieus & coil voltage of 110v+25%-30% dc at temperat ure of 70degree celcieus with surge suppressor, aux. contacts: 2no+2nc as per spec. no. rdso /pe/spec/tl/0195-2019 (rev-0) for lslrd coaches & as per gem contact no. 5116877-91847604077 .accepted make abb (af190b-30-22rt-12)/l&t (mo140) siemens (3rt10566la068k+3rt19555af318k)/ schneider (lcid115fd) c&s electric (lc1f-dp225afd+la9d09980 [ warranty period: 30 months afte r the date of delivery ] ]