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Auto Transformers

If voltage adjustments are critical for your operations, transformers must offer high efficiency to meet demand. Our Auto Transformers provide 95-99% efficiency with silicon steel cores, ensuring robust power regulation tailored to your needs.

Core Material

Silicon steel for efficient magnetic performance and low core losses

Winding Material

Copper wire, enamel-coated for high conductivity and durability in a single winding

Voltage Rating

Input: 110 V – 15 kV; Output: 12 V – 13.8 kV (adjustable within range, customizable)

Power Rating

1 kVA to 500 kVA, suited for small to large voltage adjustment applications

Frequency Range

50 Hz to 60 Hz, optimized for standard mains-powered systems
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Product Description

Inadequate transformers can disrupt voltage stability and increase costs. We design these units with enamel-coated copper windings to deliver steady adjustments, supporting your requirements for precision and operational savings. 

Efficiency

95% to 99%, designed for minimal loss due to single-winding construction

Temperature Range

Operating: -20°C to 95°C; maximum winding temperature rise: 60°C above ambient

Insulation Class

Class F (155°C) or Class H (180°C), ensuring durability under thermal loads

Leakage Current

<0.8 mA at rated voltage, ensuring safety in single-winding applications

Dimensions

Width: 100 mm to 800 mm; Height: 80 mm to 700 mm; Depth: 100 mm to 800 mm (customizable)

Weight

5 kg to 800 kg, depending on power rating and core size

Mounting Type

Floor mount, chassis mount, or pole mount; adaptable to varied installation needs

Noise Level

<50 dB at full load, moderated for compact and efficient operation

Protection Features

Overload protection, short-circuit resistance, and optional thermal cutoff

Environmental Resistance

Moderate resistance to humidity (up to 90% RH) and dust; vibration per IEC 60068-2-6

Standards Compliance

Meets or exceeds UL 5085-1, IEC 61558-2-13 (auto transformers), EN 55032 (EMI), and RoHS

Technical Advantages

Auto-transformer applications require transformers that handle voltage shifts and endure heat effectively. Our Auto Transformers support input voltage from 110 V to 15 kV and operate from -20°C to 95°C, ensuring robust regulation under varying conditions. 

Overheating concerns can affect output quality and raise maintenance needs. These units feature overload protection and short-circuit resistance, maintaining secure and balanced performance to meet your operational conditions. 

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Need reliable Transformers for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

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Industry Applications

Motor Starting Systems

Adjusts voltage for soft starts, ensuring steady energy for industrial motors.

Voltage Regulation Units

Stabilizes grid power, delivering dependable voltage for utility systems. 

Railway Power Supplies

Regulates traction voltage, providing robust energy for train operations. 

Audio Processing Units

Adjusts power for mixers, maintaining consistent voltage for sound quality. 

Laboratory Test Benches

Controls voltage for experiments, ensuring steady power for precise results. 

Solar Power Integration

Balances inverter output, delivering dependable energy for grid connection. 

Long-term Performance with Adjustable Voltage Control

Production setups gain from transformers that manage capacity and optimize energy use in your operations. Our Auto Transformers offer power ratings from 1 kVA to 500 kVA with 95-99% efficiency, enabling seamless integration and sustained functionality for your needs.

Flexible voltage control enhances your ability to adapt power delivery without added complexity. High efficiency in these transformers supports your cost-saving goals, ensuring long-term performance in diverse setups.

auto transformers

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Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does the compact design benefit our motor starting systems?

Our Auto Transformers feature a single-winding structure, reducing size and weight compared to traditional transformers for power ratings from 1 kVA to 500 kVA. Smaller dimensions save space in your setups, simplifying installation and lowering shipping costs.

Can Auto Transformers stabilize voltage in our railway power supplies?

Auto Transformers adjust input voltage from 110 V to 15 kV to outputs as low as 12 V, ensuring steady regulation for fluctuating loads. Consistent voltage output supports your operational continuity, minimizing disruptions in critical applications.

What savings come from the high efficiency in our lab test benches?

Our Auto Transformers achieve 95-99% efficiency, cutting energy loss in voltage adjustment processes. Reduced operational costs enhance your budget flexibility, supporting precision testing without added expense.

How quickly can we receive Auto Transformers for urgent production runs?

Auto Transformers offer customizable voltage ranges, delivered in 2 to 5 weeks depending on specifications and order volume. Swift lead times ensure timely procurement, keeping your production schedules on track without delays. 

Why choose Auto Transformers over dual-winding options for cost efficiency?

Our Auto Transformers utilize a single winding for both input and output, customizable to your specifications, reducing material costs while delivering robust performance at under 50 dB noise levels. This tailored, cost-effective approach aligns with your procurement goals, ensuring value without compromising functionality. 

How does the compact design help when sourcing transformers for motor starting systems?
  • Reduces installation space requirements in tight setups. 
  • Lowers freight and handling costs due to lighter weight. 
  • Simplifies integration with existing equipment layouts. 
  • Maintains required power capacity from 1 kVA to 500 kVA. 
Can Auto Transformers ensure voltage stability in railway power supplies?
  • Adjusts wide input range from 110 V to 15 kV to precise output levels. 
  • Maintains consistent traction power during load changes. 
  • Minimizes downtime caused by unstable voltage. 
  • Protects sensitive control systems from fluctuations. 
What sourcing advantages come from high efficiency in lab test benches?
  • Cuts energy consumption with 95–99% efficiency levels. 
  • Reduces operational costs over long testing cycles. 
  • Lowers heat generation, extending equipment lifespan. 
  • Supports accurate testing by ensuring steady voltage. 
How fast can Auto Transformers be delivered for urgent production needs?
  • Typical delivery window of 2 to 5 weeks based on specifications. 
  • Rapid customization to match exact voltage requirements. 
  • Priority handling for time-sensitive orders. 
  • Helps maintain production continuity without costly delays. 
Why are Auto Transformers more cost-effective than dual-winding units?
  • Single-winding design reduces copper and core material usage. 
  • Lower unit weight decreases transportation expenses. 
  • Compact size saves floor space in installations. 
  • Delivers full performance with reduced manufacturing costs. 
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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

  • Bhilai
  • Chennai
  • India
  • Germany
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LOCATIONS

Registered Office

10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

Operations Office

9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

Other Locations

  • Bangalore
  • Chennai
  • India
  • Germany
Become a Frigatian
Become a Supplier

GENERAL ENQUIRIES

  • +91 96778 64606
  • manufacture@frigate.ai
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Auto Transformers

Need reliable wires and cables for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

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Auto Transformers

Need reliable Machining for your next project? Get in touch with us today, and we’ll help you find exactly what you need!

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