about us
powering industries with precision
Located in the engineering capital of Coimbatore, Dharani Machine Works is a trusted manufacturer of premium-quality Variable Auto Transformers (Variacs) for industrial, commercial, laboratory, and testing applications.
With years of engineering expertise, we specialize in manufacturing Single Phase and Three Phase Variacs that deliver accurate voltage regulation, enhanced electrical safety, and long-lasting operational performance. Every transformer is built using premium-grade magnetic cores, high-quality copper windings, and stringent quality standards to ensure dependable performance even under demanding operating conditions.
our products
Variable Auto Transformers
6 Amps Single Phase Variac
Compact voltage control for laboratories, testing equipment, and light industrial applications.
12 Amps Single Phase Variac
Reliable voltage regulation ensuring smooth performance for medium-duty industrial applications.
28 Amps Single Phase Variac
Precision-engineered Variac delivering stable voltage with superior operational efficiency every time.
30 Amps Single Phase Variac
Heavy-duty transformer providing accurate voltage control for demanding industrial operations consistently.
35 Amps Single Phase Variac
Engineered for precise voltage adjustment with reliable long-lasting industrial performance always.
40 Amps Single Phase Variac
Industrial-grade Variac ensuring efficient voltage regulation under continuous operating conditions daily.
100 Amps Single Phase Variac
High-capacity voltage controller built for powerful, reliable industrial electrical applications.
35 Amps Three Phase Variac
Accurate three-phase voltage control for industrial machinery and automation systems efficiently.
why choose DMW
Engineered for Reliable Power & Control
Wide Product Range
We offer a comprehensive range from 6A to 125A for diverse voltage control applications.
Precision Engineering
Manufactured using premium copper windings and high-grade magnetic cores
Quality Tested Products
Every Variac undergoes comprehensive quality inspections to ensure safety, durability, and consistent output.
Custom Industrial Solutions
We provide technical support and customized transformer solutions.
Industrial Applications
Reliable Voltage Control
Across Sectors
