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* Estimated stock levels as of Tue, Nov 12, 2019. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.
Fusetron dual element time-delay current limiting class RK5 fuse 250 volt maximum. Drop-in replacement upgrade for one-time and renewable fuses to aid in locating the open fuse when the power goes out. Time-delay - 10 seconds (minimum) at 500 percent rated current. Indicator on the side turns black when the fuse opens. Fits existing RK1, RK5, K5 H 30 and 60 amp fuse blocks and holders. UL Listed.