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Motorized Variable Auto Transformer

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MOQ : 1 Piece

Motorized Variable Auto Transformer Specification

Cooling Type
Air Cooled and Oil Cooled

Load Loss
Low, as per transformer design

Capacity
1A to 100A

High Voltage
As per specifications (commonly 270V, 470V)

Operating Temperature
-20C to 45C

Voltage Booster Type
Variable

Low Voltage
0V (from minimum)

Standard
IS, IEC

Rated Voltage
230V / 415V

Dimension (L*W*H)
Depends on model (customized sizes available)

Coil Material
Copper / Aluminum

Product Type
Electrical Transformer

Material
Metal

Output
0 to Rated Voltage Adjustable

Frequency (MHz)
50 Hertz (HZ)

Efficiency
Up to 98%

Phase
Single Phase / Three Phase

Usage
Used for regulated variable voltage output in labs, testing, and machinery

Coil Structure
Toroidal

Coil Number
Single / Multiple

Power Scope
Electric

Weight
Varies with capacity (approx. 12 kg to 55 kg)

Ambient Humidity
Up to 95% RH (non-condensing)

Display Type
Analog / Digital Voltmeter (optional)

Control
Motorized with remote / panel control

Noise Level
<55 dB

Duty Cycle
Continuous

Protection Type
Overload & Short-circuit protection

Insulation Class
Class A or Class B

Winding Type
Enamelled Copper Wire

Mounting Type
Floor / Table Mounted

Input Frequency
50/60 Hz

Enclosure
Powder Coated Sheet Metal

Motorized Variable Auto Transformer Trade Information

Minimum Order Quantity
1 Piece

Payment Terms
Letter of Credit (L/C), Cheque

Supply Ability
100 Pieces Per Week

Delivery Time
2 Days

Packaging Details
Box

Main Export Market(s)
Middle East, Africa

Main Domestic Market
All India

About Motorized Variable Auto Transformer

We have marked a successful niche in the market as a trusted manufacturer and exporter of Motorized Variable Auto Transformer. This transformer is attached with caster wheels for easy mobility. This transformer is manufactured at our sound production unit, by using high quality materials and components. This transformer is applicable for boosting of low lines and line voltage stabilization. We make this Motorized Variable Auto Transformer available for clients in different specifications as per their requirements.

Key Features of Motorized Variable Auto Transformer:

Useful and effective device for step less, break less and continuous control of AC voltage
Have a single layer winding on a toroidal core of high grade steel
This transformer has rugged design and requires less maintenance

Advanced Voltage Control for Multiple Applications

The Motorized Variable Auto Transformer delivers precise variable voltage outputs, making it ideal for applications where regulated voltage is essential-such as testing, calibration, and laboratory work. Its ability to handle both single-phase and three-phase loads increases its utility in a range of industrial and commercial environments.

Built for Reliability and Safety

Designed with overload and short-circuit protection, this transformer ensures safe and stable operation. The powder-coated sheet metal enclosure and adherence to IS and IEC standards provide extended lifespan and robust protection against harsh conditions. Optional display meters enable easy voltage monitoring.

Flexible Configuration and Operation

Available in floor or table mount options, the transformer can be controlled remotely or from a panel, supporting a seamless integration into existing setups. The unit is customizable for different voltage requirements, duty cycles, and cooling methods, making it suitable for specific user needs and environments.

FAQ's of Motorized Variable Auto Transformer:

Q: How does the motorized control of this auto transformer work?

A: The motorized control allows remote or panel-based adjustment of the output voltage. This feature enables precise and effortless regulation without manual rotation, making voltage changes swift and convenient in demanding settings.

Q: What are the typical use cases for this variable auto transformer?

A: It is commonly applied in laboratories, testing facilities, calibration setups, and industrial machinery where regulated, adjustable output voltage is necessary for accuracy, safety, or equipment testing.

Q: When should I use air-cooled versus oil-cooled versions?

A: Air-cooled models are suitable for standard environments with moderate loads, while oil-cooled versions are recommended for higher capacities, continuous duty, or when heat dissipation demands are greater due to ambient or operational factors.

Q: Where can this transformer be installed?

A: With its floor or table mounting design, the transformer can be installed in laboratories, workshops, or any industrial facility, and can be customized to fit available space using the specified dimensions.

Q: What is the process for adjusting voltage output?

A: Voltage output is varied smoothly from 0 up to the rated voltage (230V or 415V) by controlling the motor-via remote or panel-which moves the brush along the toroidal winding, altering the output level as needed.

Q: What are the benefits of enamelled copper windings and toroidal coil structure?

A: Enamelled copper windings and toroidal coil design deliver high efficiency, reduced electrical losses, minimal magnetic leakage, and reliable long-term performance, translating to lower energy costs and robust operation.

Q: How does the transformer ensure operational safety?

A: The integrated overload and short-circuit protection circuits safeguard both the transformer and connected devices. The powder-coated enclosure meets IS and IEC standards, enhancing electrical, thermal, and mechanical protection.

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