VARIABLE AUTO TRANSFORMER,
3 PHASE VARIAC MANUFACTURER, 1 PHASE DIMMERSTAT MANUFACTURER
Purevolt manufactures Continuously Variable Auto Transformers, popularly known as Variacs or Dimmerstats. These units feature a movable carbon tip mounted on a brush arm that slides smoothly over a silver-plated commutator. The rotation of the brush arm can be operated either manually or motorized, delivering an output voltage ranging from zero to the rated line voltage or even above it, in compliance with IS: 5142 : 1969 standards.
Purevolt export-quality Variacs are carefully engineered and ruggedly constructed. They require no special maintenance under normal operating conditions and provide excellent voltage regulation. The only components that require periodic inspection are the carbon tips and the commutator. These variable auto transformers are designed to ensure zero waveform distortion and operate with low torque, thanks to the smooth tracking surface that allows easy and precise voltage adjustment.
These Variable Auto Transformers are widely used to control output voltage levels for regulating current, light intensity (lumens), heat levels, and motor speed, depending on application requirements. Purevolt Variacs are commonly used in large auditoriums, conference halls, hotels, college laboratories, welding equipment, servo voltage stabilizers, battery chargers, and testing applications.
As a reputed supplier and manufacturer of Variacs, Purevolt fabricates these Variable Auto Transformers using high-quality components, premium materials, and advanced technology. These transformers allow precise adjustment and regulation of output voltage under load, enabling accurate equipment testing and smooth execution of production processes.
A single variable transformer coil can typically be designed to handle loads of up to 250 Amps. For applications requiring higher current, multiple Variacs are used in a ganged assembly. As a well-established supplier, Purevolt also provides these Variacs to servo voltage stabilizer manufacturers, where they serve as a critical component in servo stabilizer design.
Standard Variable Auto Transformers are rated for 240 V input with an adjustable output range of 0–270 V. For three-phase applications, three 240 V units can be ganged in a star configuration to achieve a 470 V line-to-line three-phase system. For 480 V open delta applications, two 240 V units are connected in series on each leg of the open delta arrangement. In all such configurations, higher current requirements can be met by paralleling two or more units within the ganged assembly.
Purevolt also offers AC and DC Variable Auto Transformers (Variacs / Dimmers) with options for AC or DC output. Additional features such as MCCB protection, motorized operation, and remote control or extension panels can be provided as per customer requirements.
Purevolt is one of the largest manufacturer and exporter of these Variable Auto Transformer or Variacs from india.
Customer Service & Quality
Our products are all made in India
As part of our engineering and manufacturing services, we help our customers customize scheduling, packaging, shipping, billing, and communication processes to meet their specific inventory management, product handling, and delivery requirements. We are committed to delivering a level of quality and service that enables our customers to become leaders in their respective markets. We take pride in being the only transformer company our customers need. Driven by a spirit of unity, selflessness, and single-minded focus, we provide customer service that truly stands out.
Countries Where
We are Regularly Exporting
- 🇮🇳 Gurgaon
- 🇿🇦 South Africa
- 🇲🇼 Malawi
- 🇲🇿 Mozambique
- 🇲🇬 Madagascar
- 🇳🇬 Nigeria
- 🇿🇼 Zimbabwe
- 🇰🇪 Kenya
- 🇬🇭 Ghana
- 🇹🇿 Tanzania
- 🇺🇬 Uganda
Our Happy Customers
We were looking for some high quality and reliable DC to AC inverter for commercial use for our appliances. My verdict is that the products were of excellent quality and support from the Purvolt was professional. Product pricing was also reasonable. Highly recommended. Kudos to the team.
– Ankita, Faridabad, India
I am one of the oldest clients of Purevolt India and what i like about is communication and product quality as promised over the call. I couldn't thank more to the Sumit for meeting our expectations. The quality of the product was satisfactory, it met our requirements, and it was delivered on time, as promised by the team.
Our factory required some DC to AV inverter. I must say that the product quality was beyond our expectations. I couldn't thank more to the Purevolt Team for delivering high quality product. Communication with team was also smooth. The team has done an excellent job managing delivering process.