What is a Variac Transformer?

A Variac transformer is a variable autotransformer that provides adjustable AC output voltage, allowing precise and stepless control of voltage for testing, laboratory, and industrial applications.

How does a Variac Transformer work?

It works by using a movable carbon brush that slides over a winding coil to vary the output voltage smoothly without interrupting the power supply.

Where are Variac Transformers used?

They are widely used in laboratories, testing equipment, research facilities, electrical maintenance, and industries requiring controlled variable voltage.

What are the advantages of a Variac Transformer?

Key advantages include precise voltage control, smooth and continuous output variation, high efficiency, compact design, and reliable long-term performance.

Can Variac Transformers handle continuous operation?

Yes, they are designed for continuous duty and can operate efficiently under varying load conditions when used within rated capacity.

What capacity range is available for Variac Transformers?

Variac transformers are available in a wide range of voltage and current ratings, from small laboratory units to heavy-duty industrial models.

Is maintenance required for a Variac Transformer?

Yes, regular inspection of the carbon brush, winding, and electrical connections helps ensure optimal performance and longer service life.

How do I choose the right Variac Transformer?

You should consider input voltage, output voltage range, current capacity, load type, and application requirements when selecting a variac transformer.

How can I get the price of a Variac Transformer?

You can contact Constant Power Pvt. Ltd. through their website to request a customized quotation based on your specific requirements.

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Variac Transformer

Variac Transformer Manufacturer

Constant Power Pvt. Ltd. is a manufacturer of industrial Variac Transformers in Ahmedabad, Gujarat. Our oil cooled variacs deliver precise, stepless AC voltage regulation for industrial and commercial applications.

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Technical Specifications
Parameters	Specifications
Product	Variac Transformer
Power	75 Amp
Phase	Single Phase
Voltage	230 V
Usage / Application	Industrial
Cooling Type	Oil Cooled
Brand	Constant Power Pvt. Ltd.
Control	Stepless variable voltage
Country of Origin	Made in India

Product Overview

A Variac Transformer (variable auto transformer) is used wherever adjustable AC voltage is required without steps or taps. It is widely used with rectifiers, heaters, motors and test benches for fine voltage control.

Constant Power supplies variac transformers across India. Contact +91 99256 38158 for specifications and pricing.

Key Features

Stepless AC voltage adjustment
Oil cooled durable construction
Industrial single-phase ratings (typical 75 Amp / 230 V)
Smooth brush / carbon contact operation
Suitable for continuous duty applications
Custom designs on request

Applications

Industrial process voltage control
Electroplating rectifier input control
Heater and furnace control
Testing and R&D labs
Motor soft-start and commissioning

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