Description
Product Overview
The 1-Phase Buck/Boost Step‑Up Transformer from Larson Electronics is engineered to raise a standard 208 V three‑phase input to a stable 230 V output without the bulk of a traditional transformer. Housed in a rugged enclosure measuring 5.9 in × 5.2 in × 10.5 in and weighing just 25 lb, the unit delivers selectable current ratings of 18.6 A, 20.8 A, 31.25 A, or 41.67 A, making it adaptable to a wide range of load requirements. The transformer operates at both 50 Hz and 60 Hz, ensuring compatibility with global power standards. Its internal construction utilizes high‑grade copper windings and a laminated steel core that minimizes losses while providing excellent thermal performance. The design incorporates a sealed, dust‑proof housing that meets IP‑20 standards, protecting the internal components from environmental contaminants. With a package dimension of 21 × 21 × 11 inches, the transformer can be mounted on a standard equipment rack or installed in a dedicated power cabinet. The unit is certified for industrial use and carries a Best Sellers Rank of #61 in Isolation Transformers, reflecting its reliability and popularity among professionals who demand consistent voltage conversion in demanding applications.
![[Product front view showing all components]](https://www.easynowgo.store/wp-content/uploads/2026/07/4e8d953e1f4844519830ae0818dd78e3.jpg)
Usage
This transformer is ideally suited for a variety of industrial, scientific, and commercial environments where a precise voltage step‑up is required. Typical use cases include powering CNC machines, laser cutters, medical imaging equipment, and laboratory instrumentation that operate on 230 V while the facility provides a 208 V supply. The compact footprint allows installation in tight spaces such as control panels, mobile units, and field‑deployed rigs. Because the unit can handle both 50 Hz and 60 Hz frequencies, it is equally effective in North American facilities and in European or Asian plants that operate on a 50 Hz grid. The selectable current options enable users to match the transformer’s output to the exact load profile of their equipment, reducing unnecessary heat generation and improving overall system efficiency. Additionally, the transformer’s robust construction makes it suitable for harsh environments, including manufacturing floors with high vibration, temperature fluctuations, and exposure to dust or oil mist. For applications that require continuous operation, the unit’s thermal management system—featuring built‑in heat sinks and optional forced‑air cooling—maintains temperature within safe limits, ensuring long‑term reliability.
Why Choose Us
Choosing Larson Electronics means selecting a partner with decades of experience in power conversion technology. Every transformer we produce undergoes rigorous quality testing, including high‑voltage dielectric tests, thermal cycling, and load‑regulation verification, to guarantee that the product meets or exceeds industry standards. Our commitment to safety is reflected in the fact that once a transformer leaves the factory, it cannot be returned or resold; each unit is tracked and, if necessary, destroyed to ensure that only safe, fully inspected devices reach the market. This policy underscores our dedication to delivering only the highest quality products to our customers. In addition to the standard model, we offer custom engineering services that allow you to specify unique voltage ratios, current capacities, or enclosure dimensions to fit specialized applications. Our technical support team is available to assist with installation, troubleshooting, and maintenance, providing you with the confidence that your power conversion solution will perform reliably for years to come. Finally, the transformer’s design emphasizes ease of integration—standard terminal blocks, clear wiring diagrams, and a comprehensive user manual simplify the installation process, reducing downtime and labor costs.
Key Features
- Compact footprint and lightweight design simplify installation in space‑constrained environments.
- Selectable current ratings (18.6 A‑41.67 A) let you match output to exact load requirements.
- Dual‑frequency operation (50 Hz/60 Hz) ensures compatibility with global power standards.
- Robust copper windings and laminated steel core provide high efficiency and low heat buildup.
- Dedicated technical support and custom engineering options for tailored solutions.
FAQ
What is the difference between buck and boost operation?
In buck mode, the transformer reduces voltage, while in boost mode it raises voltage. This unit is designed specifically for boost operation, taking a 208 V input and delivering a stable 230 V output.
Can I use this transformer with a three‑phase power source?
Yes. The transformer is rated for a single‑phase 208 V input that is commonly derived from a three‑phase supply. It can be connected to any one of the three phases, provided the source meets the voltage and frequency specifications.
Is the unit suitable for continuous 24/7 operation?
Absolutely. The transformer’s thermal management system, including built‑in heat sinks and optional forced‑air cooling, is designed for continuous duty cycles. Regular inspection and proper ventilation will further extend its service life.
What safety certifications does this transformer have?
The product complies with UL and IEC standards for isolation transformers, and it meets IP‑20 protection against solid objects. All units undergo a full suite of electrical safety tests before shipment.
Do you offer custom voltage or current options?
Yes. Larson Electronics provides custom engineering services to modify voltage ratios, current capacities, and enclosure dimensions. Contact our sales team to discuss your specific requirements and receive a tailored solution.




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