Fusing Distribution Transformers

Summary

This 11-minute video describes the Chance SloFast fuse link. This protective device has two elements. The device reacts quickly if there is a primary fault, and reacts slowly if there is a secondary fault to allow time for a temporary fault to clear. The result: Maximum continuity of service, without sacrificing protection of the transformer and the distribution system. Note: This video is of poor quality and was filmed years ago, but the information it delivers is still worthwhile. (Courtesy Hubbell)