Fuse Selection Table

Protecting your transformers from damaging short circuits and overloads is crucial for safe and reliable operation. This page simplifies the process of selecting the appropriate fuses for both control and 3-phase transformers.

We offer a comprehensive table that serves as a quick reference for fuse selection. This table considers key factors that influence fuse size, such as the transformer’s kVA rating (apparent power capacity) and the primary voltage supplied to the transformer’s primary winding.

Important Considerations for Fuse Selection:

While our table provides a valuable starting point, it’s essential to consult the specific recommendations outlined by your transformer’s manufacturer for the most accurate fuse selection guidance. The table offers a general guideline, and the actual fuse size you require may vary depending on the specific type of transformer you’re using and the inrush current characteristics it exhibits. For instance, if your transformer experiences high inrush currents during startup, time-delay fuses might be a better choice.

To ensure you select the most suitable fuse for your specific application, consulting a qualified electrician is highly recommended. Their expertise can provide invaluable guidance for optimal transformer protection. We may also include links to relevant technical resources on fuse selection and transformer protection for further exploration (optional).