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An isolation transformer is a type of transformer that is used to isolate electrical circuits for safety and noise reduction. It works by transferring electrical energy between two or more circuits through electromagnetic induction while preventing direct electrical connection. This design helps in protecting sensitive equipment from surges and noise in the power supply.
| Power rating | Typically from 50 VA to several kVA |
| Input voltage | Commonly 120V, 240V, or 480V |
| Output voltage | Can be configured for various output voltages |
| Frequency | 50 Hz or 60 Hz |
| Cooling method | Air-cooled or oil-cooled |
| Phase | Single-phase or three-phase |
When selecting an isolation transformer, consider the power rating needed for your application, as well as the input and output voltage requirements. It's important to specify the frequency and whether you need a single-phase or three-phase unit. Additionally, inquire about certifications and any specific tolerances required for your equipment to ensure compatibility and safety.
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The main purpose is to isolate electrical circuits for safety and reduce electrical noise.
They are ideal for sensitive equipment but should be chosen based on specific voltage and power requirements.
Calculate the total VA of the equipment that will be connected to the transformer.
Yes, they can be single-phase or three-phase, and can vary by cooling method.
Look for certifications such as UL, CE, or IEC depending on your region and application.
They typically require minimal maintenance, but regular inspections are recommended.