CALL US: 570-823-6181 | FREE DOMESTIC SHIPPING ON ORDERS OVER $1,000 | Your trusted industrial supplier!
SolaHD Buck-Boost Transformers are designed to correct low or high line voltage by a fixed percentage, helping electrical equipment operate at its intended voltage without replacing the existing power source. They offer an economical solution for improving equipment performance, extending equipment life and reducing downtime caused by improper supply voltage.
Unlike a traditional isolation transformer, a buck-boost transformer is commonly connected as an autotransformer, allowing a relatively small transformer to correct voltage by approximately 5% to 27% while delivering significantly more load current than its nameplate kVA would suggest.
These transformers are commonly used for machinery, HVAC equipment, industrial automation systems, commercial equipment, lighting systems, motors and other electrical loads where incoming voltage consistently runs above or below the equipment's required operating voltage.
Download the complete SolaHD Buck-Boost Transformer catalog for transformer ratings, voltage combinations, wiring diagrams, sizing information, dimensions and selection tables.
Browse the available SolaHD Buck-Boost Transformers below. If you need assistance selecting the proper transformer, Wallco can help determine the correct model based on your available voltage, required voltage and connected load.
SolaHD Buck-Boost Transformers provide an economical solution for correcting low or high line voltage without replacing the existing electrical service. These compact dry-type transformers are commonly used to compensate for voltage drops or increases of up to approximately 20%, helping connected equipment operate within its intended voltage range.
Unlike isolation transformers, buck-boost transformers are wired as autotransformers for most applications. Because only the voltage difference is transformed, they can supply significantly more load current than their nameplate kVA rating would suggest when properly applied.
SolaHD Buck-Boost Transformers are available in a variety of single-phase ratings and primary/secondary voltage combinations to accommodate common industrial and commercial voltage correction applications.
Small voltage variations can reduce equipment performance, increase motor heating and shorten equipment life. A properly selected buck-boost transformer provides an economical way to correct voltage without replacing expensive electrical equipment.
Because the transformer only transforms the voltage difference rather than the entire load voltage, buck-boost transformers are considerably smaller and less expensive than an equivalent isolation transformer.
Selecting the proper transformer requires evaluating several application requirements, including:
The SolaHD Buck-Boost Transformer catalog includes connection diagrams, sizing tables and wiring examples to help identify the correct transformer and wiring configuration.
Although they use similar transformer construction, buck-boost transformers and isolation transformers serve different purposes.
If electrical isolation is required for the application, a general purpose or drive isolation transformer may be the better solution.
Depending on your application, another SolaHD transformer family may provide a better solution.
A buck-boost transformer is a dry-type transformer used to increase or decrease supply voltage by a relatively small amount, typically up to approximately 20%, helping electrical equipment operate at its proper voltage.
In most applications, no. Buck-boost transformers are typically connected as autotransformers for economical voltage correction. If electrical isolation is required, a conventional isolation transformer should be selected.
Yes. It can be connected in either a buck (decrease voltage) or boost (increase voltage) configuration depending on the application requirements.
You will need to know the incoming voltage, desired output voltage, load current and whether the application is single-phase or three-phase. The SolaHD selection tables and wiring diagrams can then be used to identify the correct model.
Yes. Buck-boost transformers are commonly used to correct supply voltage for motors and other industrial equipment operating outside their recommended voltage range.
Contact Wallco Inc. with your incoming voltage, desired output voltage and load current. We can help identify the proper SolaHD Buck-Boost Transformer and the correct wiring configuration for your application.