Belotti BST-TH Series 400KVA – 4000KVA AVR

The BST is a Servo Controlled Stabilizer that has a number of features which include the following:

  •  Extremely high efficiency (mostly 98% or better)
  • Virtually zero wave form distortion (THDi/THDu)
  • Very low internal impedance
  • Negligible phase shift
  • Unaffected by low system and/or load power factor
  • Output voltage stability
  • Negligible temperature drift
  • Immune to frequency variation from 47 to 63 Hz
  • Faster output voltage correction
  • Elimination of motor switching spike


A.C. Voltage Stabilizers are designed to ensure a stabilized A.C. supply to essential loads from fluctuating incoming mains. They also find wide applications in most Electrical & Electronic fields and many other Industries such as Research Institutions, Testing Laboratories, Educational Institutions, CNC Machinery, Computers, etc.
Our BST range of Automatic Voltage Stabilizers manufactured in Milan (Italy), meet the requirements of most applications where stable output is necessary.
The correct operation of all electrical and electronic equipment requires a constant voltage supply in order to function correctly; meanwhile, mains voltage values are often subjected to considerable fluctuations that drives the necessity to have machines able to delivery a constant output voltage, irrespective of any line input voltage variations.

Belotti BST-TH Series 400KVA – 4000KVA AVR



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