
Bronson Isolation Transformers are engineered to provide galvanic isolation, effectively separating input and output circuits to prevent direct electrical connections. This ensures that sensitive electronics and individuals are safeguarded from hazards such as ground faults and voltage spikes by breaking the electrical continuity between the power source and the load. Additionally, these transformers reduce electromagnetic interference and common mode noise, guaranteeing clean power delivery.
Isolation Transformers
Bronson Isolation Transformers: Reliable Protection and Clean Power Delivery
Key Features and Benefits
Galvanic Isolation: Bronson Isolation Transformers deliver reliable galvanic isolation, preventing direct electrical connections between input and output, thereby enhancing device protection and safety.
Hazard Protection: These transformers protect sensitive electronics and individuals from ground faults and voltage spikes by interrupting electrical continuity.
Noise Reduction: Bronson Isolation Transformers effectively reduce electromagnetic interference (EMI) and common mode noise, ensuring clean power delivery and improved device performance.
High-Quality Construction: Known for their high efficiency and quiet operation, Bronson transformers utilize high-quality silicon steel toroidal cores to deliver superior performance.
Versatile Applications: Ideal for electrical test bench applications, these transformers provide precise voltage regulation and robust protection against electrical interference, making them indispensable for engineers and technicians.
By offering reliable protection and clean power delivery, Bronson Isolation Transformers are essential for anyone dealing with sensitive electronics in environments with varying electrical standards. Whether you're setting up a test bench or protecting critical equipment, Bronson Isolation Transformers provide the safety, efficiency, and reliability needed to keep your devices running smoothly.
Bronson TT Series
Our Classic Isolation Transformers
Our TT Series isolation transformers provide galvanic isolation with a 230V input and 230V output. They provide enhanced safety, noise reduction, and reliable performance. The TT Series is designed for heavy-duty use, these units are easily wall-mountable and feature a toroidal core for efficient, low-heat operation. A built-in terminal block allows for direct, secure wiring in a range of industrial, commercial, or marine environments.
Key Features
230V Input & 230V Output: for safety isolation
Toroidal Core: for high efficiency and minimal noise
Terminal Block: easy integration into your Systems
Heavy-Duty & Wall-Mountable: designed for permanent installations
Galvanic Isolation: prevents corrosion on boats and increases electrical safety

Use Cases
The TT Series is particularly beneficial in marine settings, where galvanic isolation helps protect metal components from electrochemical corrosion. In industrial facilities and commercial buildings, it boosts safety by preventing ground loops and reducing electrical noise. Hi-fi enthusiasts also appreciate the TT Series for its ability to minimize hum and interference, leading to clearer, more accurate audio reproduction. Many users also rely on the TT Series to convert a split-phase system into a line-and-neutral supply, which is especially useful for certain EV chargers requiring a stable 230V source. Whether you’re installing it on a boat, in a manufacturing plant, or in a home workshop, the TT Series provides galvanic isolation for your loads.
Why Choose the TT Series?
- Enhanced Safety: galvanic isolation minimizes the risk of electric shock and equipment damage.
- Noise & Corrosion Reduction: Particularly valuable for marine environments and sensitive electronics.
- Rugged Construction: Built for demanding conditions, with wall-mount brackets and heavy-duty casing.
- Efficient Operation: The toroidal design reduces heat and energy losses for continuous-duty performance.
Elevate your electrical infrastructure with the TT Series—the ideal solution for consistent, safe, and corrosion-free 230V power supply.
Bronson MII Series
Our Isolation Transformers with Step Up Function

The MII Series offers a versatile approach to electrical isolation. It can function strictly as a 230V-to-230V isolation unit or step up 110V to 230V, all while maintaining reliable separation and interference mitigation. Built for both stationary and mobile deployments, these transformers feature a toroidal core design for efficient, quiet operation and a terminal block for straightforward wiring. Sturdy construction and high quality transformercores ensure stable performance even under continuous load.
Key Features
Two Input Options (220/230V or 110/120V) with a 230V output
Isolation & Interference Reduction for sensitive devices
Toroidal Core for low noise and high efficiency
Terminal Block enabling direct, secure cable connections
Wall-Mountable design suitable for permanent installations
Use Cases
Whether operating on a boat traveling between regions with varying electrical standards or running machinery that frequently relocates to job sites with different voltage supplies, the MII Series adapts seamlessly. It supplies clean, galvanic isolated 230V power from either a 110V or 230V source, making it especially beneficial for marine environments that need to combat corrosion risks and for industrial setups aiming to maintain consistent performance in unpredictable conditions. Rental services, construction projects, and agricultural operations also benefit from the MII’s ability to provide dependable, noise-free voltage wherever it’s deployed.
Why Choose the MII Series?
- Adaptive Power Handling: Serves as both an isolation transformer and a step-up solution in one unit.
- Quiet Operation: Specialized core layout helps reduce hum, ideal for noise-sensitive environments.
- Built for Continuous Duty: Engineered to handle long run times and harsh settings.
- Easy Installation: Mount on the wall or use the terminal block for a quick, secure connection.
Empower your global or mobile installations with the MII Series—the all-in-one choice for safe isolation and optional 110V-to-230V step-up functionality.
Bronson MII-D Series
Our Isolation Transformer with Step Down Function

The MII-D Series is designed to maintain a stable 110V output while accepting either 110V or 230V as its input. This dual-input flexibility makes it an excellent choice for diverse environments—from industrial facilities and traveling equipment to marine applications. The toroidal core helps reduce noise and heat, and a terminal block plus wall-mount-compatible enclosure ensure hassle-free installation in permanent or mobile setups.
Key Features
Two Input Options (110V or 230V), delivering a consistent 110V output
Isolation & Noise Reduction to protect sensitive electronics
Toroidal Core for efficient, low-hum operation
Terminal Block for direct, secure wiring
Wall-Mountable design supporting permanent placement
Use Cases
Whether you’re running North American power tools from a higher-voltage grid, mitigating corrosion risks on a boat, or simply needing a reliable 110V supply in an industrial setting, the MII-D Series adapts to your input source. For machinery traveling between regions or rental equipment facing varied voltage standards, its dual-input capability offers consistent performance anywhere. Hi-fi setups and other noise-sensitive applications also benefit from the transformer’s clean, interference-free output.
Why Choose the MII-D Series?
- Adaptive Voltage Handling: Operates seamlessly with 110V or 230V input, always supplying 110V.
- Continuous-Duty Reliability: Engineered for demanding conditions and extended runtimes.
- Quiet Performance: The specialized core reduces hum, supporting audio and sensitive electronic gear.
- Straightforward Installation: A built-in terminal block and wall-mount brackets make setup quick and secure.
Enjoy dependable isolation and a stable 110V supply with the MII-D Series—the perfect solution for varied input voltages and noise-sensitive applications alike.