supply of regulated dc power supply , regulated dc power supply with suitable trolley and power cables of 30 meter length on both input and output side working on single phase ac ( 230v ac, 50 hz) and havin g output of 0-100v dc and 0-50 amp current with power rating of 3.5 kw. equipment to have continuously variable output with pot for both voltage and current. output voltage to be adjustable from 5% to specified voltage, current limit adjustable from 10% to 110% of s pecified load current. equipment to have overload and short circuit protection. three digi t digital panel meter for both current and voltage. load and line regulation to be within +/-0.05% max. ripple and noise to be less than 5 milli volt (rms) max. [ warranty period: 12 mon ths after the date of delivery ] ]