Constant Voltage Transformer

Capacity : 50VA to 5KVA

Input :
Voltage : 170 to 260 VAC, 1 Phase
(upto 320V for small duration)

Output :
Voltage : 230 + 1% Volt
Frequency : 50 Hz + 1% Hz
Correction Speed : 20 milliseconds
(more than stabilizer)
Load to line Regulation : 1% 
Efficiency : Better than 85% Transformer Type Ferro Resonant 
THD < 5%
Output waveform sinusoidal

Indications :
Main ON
Voltmeter to read input/Output with selector switch

Protection
Fuse in AC incoming & AC out going Input Under . Over voltage cut off Short circuit Protection Isolation between Input & Output  avoiding Spikes & Surge
Safe Operation : 50^oC above ambient
Effect of Frequency : 1.5% in O/P Voltage for every 1% change in frequency.