supply of insulation monitoring relay, 415v ac, 3 phase, neutral isolated, voltage range 0-500 v ac, insulation measuring range-10 k ohm to 150 k ohm, control voltage: 24-240 v ac/dc, place of installation s1a7, of bill of material of rdso spec. no. rdso/pe/ spec/ ac/0184-2015(rev.1), used for insulation control 415 v of lhb type ac coaches, confirming to rdso spec. no.rdso/pe/spec/ac-0184-2015 (rev.1), suitable for lhb type ac coaches switch boardcabinet (s1a07) or latest. make -control, abb, schneider, siemens, dold only.insulation monitoring relay, 415v ac, 3 phase, neutral isolated, voltage range 0-500 v ac, insulation measuring range-10 k ohm to 150 k ohm, control voltage: 24-240 v ac/dc, place of installation s1a7, of bill of material of rdso spec. no. rdso/pe/ spec/ ac/0184-2015(rev.1), used for insulation control 415 v of lhb type ac coaches, confirming to rdso spec. no.rdso/pe/spec/ac-0184-2015 (rev.1), suitable for lhb type ac coaches switch boardcabinet (s1a07) or latest. make -control, abb, schneider, siemens, dold only.,insulation monitoring relay, 415v ac, 3 phase, neutral isolated, voltage range 0-500 v ac, insulation measuring range-10 k ohm to 150 k ohm, control voltage: 24-240 v ac/ dc, place of installation s1a7, of bill of material of rdso spec. no. rdso/pe/ spec/ ac/0184-20 15(rev.1), used for insulation control 415 v of lhb type ac coaches, confirming to rdso spe c. no.rdso/pe/spec/ac-0184-2015 (rev.1), suitable for lhb type ac coaches switch boardcabine t (s1a07) or latest. make ?control, abb, schneider, siemens, dold only. [ warranty period: 30 months a fter the date of delivery ] ]