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Products Directory > Electronics & Electrical > Power Transformers >
Variable Transformer
Products - 26
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Variable Transformer |
Displaying 1-25 of Total 25 Products Found |
Products
We
are engaged in manufacturing all type of variable transformer with
powder coated metal enclosure also. Our range is designed especially
for educational institutions with all terminations to be in outside.
These are made from 2 amps to 300 amps in single coil and above 300
amps with ganged coil.We also make up to 60 amps both in air cooled
and oil cooled models where as above 60 amps in oil cooled models
only. The normal output range is 0 to 270 volt in single phase and 0
to 470 volt in two and three phases.
We
also have the facility to supply higher output voltage as per
customer’s choice with any feature such as:
more...
Variable transformers offered by us used for testing applications where variable output is required from 0 to any voltage. These electrical power transformers, variable transformers are widely used in transformer, motor and generator manufacturing units to perform different electrical tests.
Construction & Availability:
Simple construction consisting of: more...
We offer to our clients our extensive industry experience in the manufacturing of variable oil cooled auto transformers (Variac). The use of superior technology as well as modern machinery equipment in our production processes allows us to bring in them better accuracy and longer service life. Further they are
tested as per IS standards to assure our clients of our products quality.
Manufacturing Range:
• From 2 Amp to 200 Amp (single coil) in oil cooled.
Apart from this, we also manufacture dual wound variac from 500 VA to 5 KVA having 170v – 270v for the input range and 220v/230 v output range. more...
The continuously variable voltage transformer are meant for smooth control of electric power, AC or DC that to on heavy load. Confirming to IS 335, these variable voltage transformer offered by us are basically oil cooled, floor mounting construction and immersed in transformer oil. The cores of the transformer are rigidly mounted on non magnetic frame. The high grade carbon brushes collect the current from side of the windings so that these transformers can handle full variation of the output ranging from 0 voltages to maximum. We make use of standard transformer oil that is filled by the user at site where it is installed. We offer these variable voltage transformer with manual operation and motor operated mode with shaft driven by a high torque low speed drive motor through a gear train. These transformers are know for its efficiency as the time taken for the one revolution is 15 seconds up to 100 Amp models & 30 Seconds for above 100 amp models. We can also provide more...
We present high-precision variable voltage auto transformer that is simple and provide a variable voltage output from the fixed input voltage. It is very effective in controlling A.C. Voltage such as A.C. current, D.C. voltage & current intensity of light & heat, and speed of D.C. motors. These transformers confirm to IS 5142-1969 and are suitable for a wide range of current and voltage (240 V & 415 V) and 3 phase supply. These single phase auto transformer and three phase auto transformer are suitable for places which require a smooth voltage.
The core of the auto transformer is made of high grade, non aging continuous CRGO strip and carefully annealed that results in low magnetizing current and core losses. The output is linear and this transformer does not produce any distortion in the wave form. It can withstand heavy overloads of short durations such as starting currents of motors. These single phase auto transformer and three more...
We design and develop precision engineered variable voltage supplies from 0-11 kv. With proficiency in the work domain, we can also manufacture the system with any desired voltage upto 5000 kva as per the specified requirements of our clients. Our featured products are variedly used for special purpose applications and testing.
This is a stabilizer. which constantly monitors the output voltage and controls the variations in the input voltage (+/- 1%)
This is probably the cheapest power-conditioning product available. It gives reasonably good voltage regulation and is all right where voltage fluctuations are not considerable. However it is not advisable to use it outside big cities where apart from considerable fluctuations in voltage, the power is full of frequency drifts, failures, noise and spikes. more...
We offer to our clients our extensive industry experience in the manufacturing of variable air cooled auto transformers (Variac). The use of superior technology as well as modern machinery equipment in our production processes allows us to bring in them better accuracy and longer service life. Further they are
tested as per IS standards to assure our clients of our products quality.
Manufacturing Range:
• From 2 Amp to 60 Amp (single coil) in air cooled.
Apart from this, we also manufacture dual wound variac from 500 VA to 5 KVA having 170v – 270v for the input range and 220v/230 v output range. more...
We manufacture three phase open type variable transformer for panel mounting type. For the manufacture of rectifiers, DC drives our three phase transformers, three phase variable transformers, three phase open type transformers are using very large. Vide range three phase variable transformers are also include in our products list, if the customers insist.
We present a comprehensive range of variable autotransformer which are suitable for controlling device for numerous applications in laboratories and in industrial and commercial fields. These variable autotransformer are used for continuous control of A.C voltage such as A.C. current, D.C. voltage & current intensity of light & heat and speed of D.C. motors. Our variable autotransformer are in sync with set industrial benchmarks and offered at reasonable prices.
We manufacture side carbon single phase transformers, single phase variable transformers, single phase variable auto transformers, single phase step up transfromers and varible voltage transformers above 28 amps air cooled. Up to 60 amps we can give choice to customer for air cooled and oil cooled.
We are manufacturing all type of variable transformers, it include three phase box types. Normal input range is 415V and output is 0 – 470 V. we will design specially for educational institutions, testing labs with special features. Powder coated, well ventilated cabin will provide in each transformers with good result.
a) Variac (Variable Transformer) :-
Variac (Variable Transformer) enclosed in metal box, with socket & on/off switch output 0-270 volts A.C. at Amp.
b) Variac (Variable Transformer) :-
Same as above but output 0-270 Volts A.C. at 4 Amp.
c) Sodium Vapour Lamp Transformer :-
High grade Lamination used to avoid losses.
1) For 35 watts
2) For 45 watts
3) For 60 watts
d) Step Down Transformer :-
2,4,6,12 volts at 2 Amps.
e) Setp Down Transformer :-
2,4,6,8,10,12 Volts at 2 Amps.
f) Step Down Transformer :-
2 to 12 Volts at 3 Amps.
g) Step Down Transformer :-
2, 4, 6, 8, 10, 16, 20 Volts 2 Amps.
h) Step Down Transformer :-
(2 to 20 Volts) 2,4,8, 12,16, 20 Volts at 3 Amps.
i) High Voltage Transformer / Discharge Tube Generator :-
Workable on 230 Volts AC for spectrum Discharge Tubes.
j) Half-Wave rectification and its Load regulation :-
using step-down transformer, more...
Variable voltage auto transformers is a continuously variable voltage transformer, having a single layer winding on a toroidal core of high grade Cold Rolled Grain Oriented Steel. On one face of the copped winding, along the periphery, a special durable contact surface is made. A specially designed carbon brush slides smoothly on the surface. A contact arm holding the contact brush is fitted to the central shaft and as the control knob is rotated, the carbon brush slides over the winding and taps off a portion of voltage across the winding. Any desired voltage within the maximum range can be obtained by adjusting the position of the brush. The calibrated dial reads approximately the output voltage at no-load, when the input is at its rated value. Rotation of the brush arm by manual of motor drive delivers an output voltage from zero to or above line voltage.
Variacs fitted with voltmeter, ammeter, fuse, switch, pilot lamp etc. can be made in Enclosed type models with extra cost. more...
Auto Variable Transformers can be used specifically for Servo voltage stabilizer, rectifier unit, battery chargers, DC motor drives, electroplating equipments, high voltage test benches etc. This transformer is a constantly variable voltage auto transformer, having a changeable carbon tip, set to a brush arm sliding on a silver plated commutator. Revolution of the brush arm either by manual or by motor drive, distribute an output voltage from zero to or above line voltage. Our product has some salient features like : more...
We are engaged in manufacturing Auto Variable Transformers, which are applicable in different industries. These deliver outstanding demanding minimum maintenance. Our products are of competent price and have the Following features: more...
We are engaged in manufacturing quality tested range of variac variable transformers. These transformers have higher serviceability life and are efficiently used in a variety of industries for diverse applications. Our range is available in standard as well as client required specification. more...
These variable autotransformers are widely used to vary the output voltage conveniently for a steady AC input voltage. It is equipped with a sliding brush secondary connection and a toroidal core. These are being stringently tested on various parameters before being supplied to the clients. more...
We manufacture and export a wide assortment of variac transformers that are fabricated using qualitative material. Our variac transformers are acknowledged for high efficiency CRGO core. The entire range of variac transformers are available with customization as per the technical specification provided by the clients’.
Our products are available in :
more...
We offer high quality variable transformers. These variable transformers are offered with the following features :
more...
Radio Electric has designed a "Double Wound Isolated Variac". This elegant & compact arrangement uses only one transformer on a single torroidal core. This provides 2.5 kv isolation between prim & sec, prim & body with a variable output voltage from 0V to the required voltage. This concept can also be used very effectively in DC power supplies with Variable output (eg. Input 230V / 110 V, Output 0 to 25 V, 5A or 0 to 15V, 8 Amp. etc.).
MODELS
Radiotone DW Isolated Variac
I/P 125 V, 60 Hz supply voltage & output Variable from 0 to 150 V
more...
We are engaged in supplying Dimmer Dot Variable Transformers that efficiently provides continuous adjustable voltage A.C. supplies. These equipment are designed to perfection and are efficient, reliable method of controlling A.C. voltage from zero to line voltage by amplitude modulation of the A.C. waveform. Our range is extensively used in any testing and development work, over & under voltage tests and is available in the following types: • D-41-P • D-81-P • D-151-P • D-281-P Our Dimmer Dot Variable Transformers are ideal for voltage control in power supplies in the following: • Most versatile source of variable voltage, current, or power in A. C supply system that is widely used in any testing and development work, over & under voltage tests • Voltage control in power supplies -as for Servo-type, Automatic Voltage Stabilizers, constant current supplies, Voltage control for meter calibration, hase-angle control in the calibration watt meters and more...
The Variable Voltage Transformers (with Digital Display) available with us are in high demand in different labs, defense institution, electric test benches etc. and offers Digital Volts, Amps, Watts, Frequency or any combination of Displays. Our range is also fabricated in adherence to the designs and specifications of pour esteemed clients.
Dimmer Dot Variable Transformers supplied by us are widely used in any testing and development work, over & under voltage tests. These are highly efficient in offering continuously adjustable voltage A.C. supplies. These are the most versatile source of variable voltage, current, or power in A.C supply system that is required for Current, Power, Heat, Light and Motor. Our qualitative gamut provides reliable method of controlling A.C. voltage from zero to line voltage by amplitude modulation of the A.C. waveform and is available in the following types: • D-41-P • D-81-P • D-151-P • D-281-P Our Dimmer Dot Variable Transformers are ideal for voltage control in power supplies in the following: • Servo-type • Automatic Voltage Stabilizers • constant current supplies • Voltage control for meter calibration • phase-angle control in the calibration watt meters and power-factor meters • D.C Rectifiers • Electroplating Sets • more...
We offer Dimmer Dot Variable Transformer that breathes in quality and are tested for performance, durability and high performance. These are available in different types and are also customized adhering to the demands and specifications of our valued customers. Following are some of its unique features: • Type D, of 4, 8,15, 20 & 28 Amps, ratings, single phase may be used either surface mounted or back of panel mounted • Provides ease in packing and transportation • Standard models are supplied for surface mounting • Can be easily converted to back of panel mounting, simply by removing the shaft locks or clamping rings and loosening the screws thereupon • The spindle or shaft is then adjusted after inserting from the other end • Spacers/washers are suitably placed so that proper free movement of the moving arm without getting disturbed from the tail end • stopper is obtained with proper usable length of the Carbon from the Carbon Brush more...
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