Introducing “KSR” Speed Positrol® Fuse Links

S&C is pleased to announce the availability of a new family of high-surge-capacity Positrol Fuse Links designed to fill a market niche not presently served by S&C’s offerings.

With their “extra-slow” time-current characteristics, “KSR” Speed Positrol Fuse Links can be used to protect overhead distribution pole-top transformers and capacitor banks, as well as laterals and taps. They’re interchangeable mechanically — and with respect to time-current characteristics — with fuse links having “KS” and “MS” characteristics.

S&C “KSR” Speed Positrol Fuse Links feature higher adiabatic minimum-melting I2t’s than “faster” speed fuse links (e.g., “K” Speed), so the probability of them operating due to lightning-induced current surges is relatively low, even in high isokeraunic areas. Your crews can mount surge arresters directly on transformer tanks to provide the greatest possible overvoltage protection . . . there’s no need to worry about nuisance fuse link operations.

S&C “KSR” Speed Positrol Fuse Links are available in Universal and Extra-Performance Styles in ratings of 3 KSR through 200 KSR amperes.

About S&C [ ]
S&C Electric Company, headquartered in Chicago, IL, specializes in the development and manufacture of innovative products for the electric power industry, as well as the delivery of comprehensive, expert services for this industry.

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