our range of products

Home > our products

DMW

DL SINGLE PHASE VARIAC

01

3 Kva DL Single Phase variac

Optimize your power control with the 3 KVA DL Single Phase Variac from Dharani Machine Works. Engineered for efficiency and smooth, continuous linear voltage adjustment in heavy-duty applications.

parameter

Input Voltage90V - 270V, 140V - 270V, 170V- 270V
Line Frequency50/60 Hz
Output Voltage 220V, 230V, 240V
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

DMW

Single Phase Variable
Auto Transformers

01

6 amp single phase

6 Amps Single Phase Variac

Compact and efficient Variable Auto Transformer designed for laboratories, educational institutions, and light-duty industrial applications, delivering smooth voltage regulation, reliable performance, and precise output for testing and control systems.

parameter

Input Voltage220 V-240 V
Line Frequency50/60 Hz
Output Voltage 0-300 V AC
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

02

12 amp single phase

12 Amps Single Phase Variac

Engineered for medium-duty applications, this Single Phase Variac provides accurate voltage adjustment, high efficiency, and dependable performance for electrical testing, workshops, laboratories, and commercial equipment.

parameter

Input Voltage220 V-240 V
Line Frequency50/60 Hz
Output Voltage 0-300 V AC
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

03

28 amps Small Single Phase Variac

28 amps Small Single Phase Variac

Designed for stable voltage control in industrial and laboratory environments, this compact Variac ensures smooth output regulation, energy efficiency, and long-lasting performance for demanding electrical applications.

parameter

Input Voltage220 V-240 V
Line Frequency50/60 Hz
Output Voltage 0-300 V AC
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

04

30 Amps Single Phase Variac

30 Amps Single Phase Variac

A high-performance Single Phase Variable Auto Transformer delivering precise voltage regulation, low power loss, and consistent operation, making it ideal for industrial machinery, testing equipment, and manufacturing processes.

parameter

Input Voltage220 V-240 V
Line Frequency50/60 Hz
Output Voltage 0-300 V AC
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

05

35 Amps Single Phase Variac

35 Amps Single Phase Variac

Built for continuous industrial operation, this precision-engineered Variac provides accurate voltage control, superior thermal stability, and reliable performance for manufacturing plants, research facilities, and electrical testing applications.

parameter

Input Voltage220 V-240 V
Line Frequency50/60 Hz
Output Voltage 0-300 V AC
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

06

40 amps Single Phase Variac

40 amps Single Phase Variac

Heavy-duty Single Phase Variac designed with premium copper windings and CRGO core construction, ensuring smooth voltage adjustment, exceptional efficiency, and dependable operation under demanding industrial working conditions.

parameter

Input Voltage220 V-240 V
Line Frequency50/60 Hz
Output Voltage 0-300 V AC
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

07

100 amps Single Phase Variac

100 amps Single Phase Variac

Industrial-grade Variable Auto Transformer designed for high-current applications, offering accurate voltage regulation, excellent efficiency, robust construction, and reliable performance for heavy-duty manufacturing and power control systems.

parameter

Input Voltage220 V-240 V
Line Frequency50/60 Hz
Output Voltage 0-300 V AC
Efficiency98% at rated (Maximum Load)
Insulation ClassClass F (Superior Thermal Resillence)
Dielectric StrenghtWinding to core 2.5KV AC for 60 Sec no flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

DMW

Three Phase Variable
Auto Transformers

01

10-amp-3-phase

10 Amps Three Phase Variac

Designed for demanding industrial environments, this Three Phase Variac delivers stable voltage control, high efficiency, and consistent performance, ensuring safe and reliable operation of heavy electrical equipment.

parameter

Input Voltage380 V-440 V
Line Frequency50/60 Hz
Output Voltage0-470 V Ac
Efficiency98% At Rated (Maximum Load)
Insulation Class Class F (Superior Thermal Resilience)
Dielectric Strength
Winding To Core 2.5Kv Ac For 60 Sec No Flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

02

35 Amps Three Phase Variac

35 Amps Three Phase Variac

Precision-built Three Phase Variable Auto Transformer providing balanced voltage regulation, smooth operation, and reliable performance for industrial automation, machinery testing, manufacturing plants, and electrical engineering applications.

parameter

Input Voltage380 V-440 V
Line Frequency50/60 Hz
Output Voltage0-470 V Ac
Efficiency98% At Rated (Maximum Load)
Insulation Class Class F (Superior Thermal Resilience)
Dielectric Strength
Winding To Core 2.5Kv Ac For 60 Sec No Flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

03

40 Amps Three Phase Variac

40 Amps Three Phase Variac

Designed for demanding industrial environments, this Three Phase Variac delivers stable voltage control, high efficiency, and consistent performance, ensuring safe and reliable operation of heavy electrical equipment.

parameter

Input Voltage380 V-440 V
Line Frequency50/60 Hz
Output Voltage0-470 V Ac
Efficiency98% At Rated (Maximum Load)
Insulation Class Class F (Superior Thermal Resilience)
Dielectric Strength
Winding To Core 2.5Kv Ac For 60 Sec No Flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

04

100 Amps Three Phase Variac

100 Amps Three Phase Variac

High-capacity Three Phase Variable Auto Transformer engineered for continuous industrial use, offering precise voltage adjustment, superior durability, and dependable performance for large-scale manufacturing and power distribution systems.

parameter

Input Voltage380 V-440 V
Line Frequency50/60 Hz
Output Voltage0-470 V Ac
Efficiency98% At Rated (Maximum Load)
Insulation Class Class F (Superior Thermal Resilience)
Dielectric Strength
Winding To Core 2.5Kv Ac For 60 Sec No Flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track

05

125 Amps Three Phase Variac

125 Amps Three Phase Variac

Our highest-capacity Three Phase Variac delivers exceptional voltage regulation, outstanding efficiency, and heavy-duty performance, making it the perfect solution for large industrial facilities and high-power electrical applications.

parameter

Input Voltage380 V-440 V
Line Frequency50/60 Hz
Output Voltage0-470 V Ac
Efficiency98% At Rated (Maximum Load)
Insulation Class Class F (Superior Thermal Resilience)
Dielectric Strength
Winding To Core 2.5Kv Ac For 60 Sec No Flashover

Materials Used

ComponentsMaterial Used
Winding Wire99.9% Pure Electrolytic Grade Copper
Magnetic CoreCold-Rolled Grain-Oriented Silicon Steel (CRGO)
Commutator TrackPolished Silver Plated Copper Track
Scroll to Top