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Plug Fuses
Available56 products
Plug fuses are screw-in fuses for protecting against overcurrent in residential and industrial branch circuits as well as motor circuits. They are commonly found in a box cover unit or main fuse panel and are used to prevent damage to equipment such as pumps, power tools, and HVAC blowers. These plug fuses are color-coded by voltage to help prevent installation of a mismatched fuse. They have a window that reveals whether the fuse element has blown.
Time-Delay Plug Fuses
Time-delay plug fuses are medium- to heavy-duty fuses for protecting residential or industrial electrical circuits with motors, relays, or solenoids. These slow-blow plug fuses tolerate temporary inrush currents without opening. Series SL fuses are medium-duty fuses for residential circuits. Series S and T fuses provide heavy-duty protection for industrial motors or critical residential circuits. Series SL and S fuses have a porcelain-threaded rejection base that mates with a rejection adapter in the fuse holder to prevent installation of the wrong size fuse. Series T fuses have a brass-threaded Edison base that screws directly into a fuse holder.
Equivalent Series: GSL, SL
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Equivalent Series: GT, T, TOO
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Equivalent Series: GTL, TL, TLO
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Equivalent Series: S, SLO, SOO
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Equivalent Series: TC
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Fast Acting Plug Fuses
Fast-acting plug fuses are Type W fuses for protecting lighting, heating, and other residential and industrial circuits without motors. They open within seconds of being exposed to overloads and short circuits. Also called fast-blow plug fuses, they are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. They have a brass-threaded Edison base that screws directly into a fuse receptacle.
Equivalent Series: GW, W, WOO
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