supply of supply and commissioning of 40 amps. variable dc rectifiersupply and commissioning of 40 amps. variable dc rectifier,supply and commissioning of 40 amps. variable dc rectifier unit at rsw/cb. with following f eature. input supply 180 to 270 volt ac output 0 to 140 volt dc output current 40 amp maximum input ov erload protection output overload protection output monitoring digital current and voltage output adjustm ent manual rotator knob input/output isolated(shock free) operation input & output indicators with on/off p ush button transformer class f insulation compact portable unit with heavy-duty wheel and handle for ea sy movement. enclose ms power coated anti rust paint [ warranty period: 30 months after the date of de livery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]