Specification

Capacity  3KVA To 500KVA
Technology  Linear Type On-load voltage regulators with stepless regulation [also referred to as vertical rolling contact or columnar design]
Control Module  Microprocessor-based
Input voltage range 350 – 450V 340 – 460V 330 – 470V 320 – 480V 300 – 500V 200 To 270V 190 To 280V 170 To 290V 140 To 280V
Output voltage rang  400V ± 1% (Ph – Ph) / 230V ± 1% (Ph – N)
Frequency  50 / 60 Hz ± 5%
Balanced [common control for all three phases suited for balanced
Type  input supply & up to 40% unbalanced load] Unbalanced
(Individual Phase Control. Suited For unbalanced input supply and unbalanced load)
Load Variation  Admitted from 0 to 80 %
Core  CRGO Lamination Best Grade
Correction Speed  6 to 15 V per Sec
Reset  Manual
Protections  High / Low / Over Load / Single Phase Preventer \
Short Circuit / Surge Suppressor / Bypass As on Request
Voltmeter 16*2 LCD Display
Audio Alaram
Nature of Cooling  Natural Oil-Cooled, ONAN (Available in all models)
Air-Cooled, Natural / Forced (available in select models)
Single Phase Protection Yes
Efficiency  ~ 99.5%> 99%~ 99%~ 98.5%> 98%
Manual bypas Yes
Operating temprature  10 to +45 °C
Duty Cycle / Life  Designed for 100 % Continuous Duty Cycle & for a life of 18 – 20 years at extreme conditions
Provision of Cabling  Aluminum Bus – Bars provided for Input & Output in a common junction box