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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Variable Voltage Transforme

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