Step-Down Transformers

Efficient, durable, and safe transformers for your low-voltage applications

Step-Down Transformers

Efficient, durable, and safe transformers for your low-voltage applications

Safely step-up or down voltage

Whether you need to step down voltage for industrial machinery, commercial facilities, or sensitive equipment, Powerstar transformers provide safe, efficient, and long-lasting solutions tailored to your needs.

30kVA – 3000kVA

KVA Range

Up to 33kV

Voltage Range (Primary - Secondary)

ONAN & ANAN

Cooling Method

The role of Step-Down Transformers

Our step-down transformers are specifically designed to convert high-voltage electricity into lower, usable voltages for commercial and industrial equipment. This controlled voltage reduction ensures that machinery, electronics, and sensitive systems operate safely and efficiently. By lowering voltage by a fixed amount (for example, 400V → 230V), our oil-immersed and dry-type transformers provide a reliable power supply tailored to your operational requirements.

Application

Transformer Function

Benefits

Industrial machinery

Supplies stable voltage to heavy-duty machines

✔ Protects equipment
✔ Ensures operational efficiency

Commercial buildings

Provides safe electricity for lighting and appliances

✔ Reduces energy losses
✔ Enhances safety

Renewable energy systems

Converts voltage from solar/wind systems

✔ Enables smooth integration with the grid

Manufacturing plants

Powers production lines

✔ Durable, long-lasting performance
✔ Low maintenance

Water & Wastewater Treatment

Powers pumps and control systems

✔ Reliable operations
✔ Reduces maintenance costs
✔ Safeguards critical infrastructure

Data Centres

Supplies stable voltage to servers and IT equipment

✔ Prevents downtime
✔ Protects sensitive electronics
✔ Ensures continuous operation

Download Datasheet

View a sample of our Step-Down Transformer data sheet, or request a customised specification tailored to your voltage, KVA, and application requirements.

Why Powerstar?

Made in Britain
Our step-down transformers are manufactured at our Bromsgrove winding and production facility by skilled electrical engineers

Custom specification
We design transformers tailored to your exact voltage, KVA, and type requirements, creating the ideal solution for your industrial needs.

Thorough testing
Every transformer is carefully tested in our Bromsgrove state-of-the-art facility, meeting the highest industry standards for reliability.

Proven performance
Trusted across industries, Powerstar transformers are known to deliver consistent, long-term reliability.

This Installation gave an annual reduction on energy consumption of 9.5%, and carbon reductions of 58.7 tonnes per annum. An Annual saving of 107,659 kWh.

Have a transformer requirement?

Contact our experts to discuss your requirements and receive a tailored solution for your voltage and KVA needs.

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Powerstar Head Office

Powerstar, 4 Cowley Way, Sheffield, S35 1QP
Powerstar logo

Powerstar Head Office

Powerstar, 4 Cowley Way, Sheffield, S35 1QP