Variable Voltage Transforme

Applications
Supply voltage adjustment, boosting of low lines and line voltage stabilization, either manually or automatically in automatic voltage stabilizers. Voltage and current control in development and experimental work.
  • Over and under voltage testing of electrical and electronic equipment.
  • Heat control of ovens, furnaces, infra-red heaters etc
  • Testing and calibration of voltmeters, ammeters, watt meters etc
  • Built in as an integral control element in electrical, electronic and automatic control and process equipment.
  • Lighting control in theatres, auditoriums, hotels. Restaurants, photographic studios and darkrooms etc...
  • Motor speed control either direct or through suitable circuits.
  • Control of DC voltage and current through rectifiers. Control of rectifiers in electroplating etc
Various Models available are:
  • Single Phase Open Type Model
  • Single Phase Motorised Model
  • Single Phase Portable Model
  • Three Phase Open Type Model
  • Three Phase Enclosed Model
  • Three Phase Oil Cooled Model
Capacity
Single Phase Variac takes the input from 240 V 50 Hz AC line and the output can be varied from 0 270 V. Single phase Variacs are available in projection Mounting and Flush Mounting types. For better cooling, Variacs of rating above 28 amps are made in oil-cooled construction.
Output of these Variacs can be varied from 0 to 270 V input being 240 V 50 Hz AC. Ganged assemblies of 3 coils, connected in star in star are available for 3 phase supply. Contact arm of these coils are connected to common shaft. 3 phase Variac takes the input from 415V to 50 Hz AC and the output can be varied from 0 to 470 V. For better cooling, 3 phase Variac of rating above 28 amps are supplied in oil cooled construction. The input of these Variacs is 415 V 50 Hz 3 phase AC and the output can be varied from 0 to 470 V.
  • Country:India
  • telephone:91-11-25330441
it has a single layer winding on a toroidal core of high grade Cold Rolled Grain Oriented Steel
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