Reliable transformers
17 Lincoln Road,
Benoni South,
Gauteng Province,
South Africa
Contact Details
Tel: +27 11 421 2333
Fax: +27 11 421 3446

CVT Constant Voltage Transformers

Input Voltage Single Phase, 230V (184-276)
Other voltages available on request
Supply Frequency 50Hz
Output Voltage 230V
Other voltages available on request
Output Accuracy Better than 3% (1% option available)
Harmonic Distortion Typically Less than 2%
Effect of Frequency Change 1% change in frequency produces approximately 2.5% change in output voltage.
Response Typically 1-2 cycles (20-40 millisecons)
Overload Short circuit limited
Efficiency Approximately 85% at full load
View the Available Models


Our name says it all. We have been producing top quality products for more than 30 years and will continue to innovate and improve our products to ensure that you, the customer, get the best value for your money.

We design, manufacture and test our products strictly according to the SANS 780 and other applicable transformer specifications.


Our warranty covers any defective workmanship and/or materials for a period of 12 Calendar months from the date of purchase. Carry in Warranty.

Proudly made in South Africa

Our products are proudly designed and manufactured in South Africa.

We understand the challenges our customers face in Africa. Our engineers go the extra mile to ensure that our transformers are practical and easy to handle and install. Many of our design innovations focus specifically on lifting, moving and cable installation.

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