When fuses protecting overhead distribution transformers operate, 70% of the time they’re for nuisance outages where no other repair work is needed, requiring you to roll a truck unnecessarily. That equates to 70% of these maintenance costs wasted for issues that could have been altogether avoided.
VacuFuse Self-Resetting Interrupters bring fault-testing technology furthest toward the end of the grid than had previously been possible, providing you with advanced end-to-end lateral protection for the most vulnerable and difficult-to-reach locations on your system—and saving you needless maintenance expenses.
Advantages
70% nuisance outages equates to 70% wasted O&M
Learn MoreAdvanced lateral protection in grid’s trickiest locations
Learn MoreImproves customer satisfaction
Learn MoreMitigates risk for crews and the environment
Learn MoreGuidebook
This guidebook introduces you to the VacuFuse Self-Resetting Interrupter and explores the most critical factors for utilities to consider when seeking to advance their lateral protection strategy.
Case Studies
Inventing Technology for Grid Reliability’s New Frontier
Read Full Case StudyProduct Details
Ratings
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50/60-Hz Ratings | With Porcelain Insulator | With Polymer Insulator | |||||||
---|---|---|---|---|---|---|---|---|---|
kV | Amperes, RMS | Leakage Distance to Ground Minimum, Inches (mm) | Base Catalog Number | Leakage Distance to Ground Minimum, Inches (mm) | Base Catalog Number | ||||
System Class① | Nom. | Max | BIL | Cont. | Interr., Sym. | ||||
25 | 25 | 29 | 125 | 20 | 6 300 | 17 (432) | 401232 | 19 (483) | 401232-P |
① Applicable on 5-kV, 15-kV, and 25-kV systems when mounted in an S&C 125- or 150-kV BIL cutout mounting.