DC Sevo Stabilisers

We are offering dc sevo stabilisers.
single phase servo stabilizers dc motor operated variac economic type
technical information :
 capacity : 500va , 1kva , 2kva .
 input v: 170 to 270 v
 output v : 230 + - 1 % v
 reset: auto
 under volt trip: below 21ov output volts.
 over volt trip: at above 250v output volts.
 time delay: 10 to 15 seconds.
 voltmeter: at output v, side.
 led indication: at out of input acceptance voltage range.
 voltage regulation : +­ 1% output.
 distortion generated by stabilizer : nil.
 trip levels : +­ 10% of set output voltage
 protection delay time : 4-5 secs.
 over load protection : glass fuse at input .
features :
o continuity in supply even during correction.
o analog voltmeter to read, inputoutput voltage.
o fast correction rate.
o clean wave form.
o no emi and rfi.