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Order LookupUL Class CF Fuses
UL Class CF fuses are finger-safe fuses that limit current to avoid electrical damage by disconnecting circuits before they're exposed to the full magnitude and duration of an overcurrent. Also known as plug-in cube fuses, their shape provides a small footprint for limited-space applications and encases the fuse to protect against accidental contact with energized parts. They are commonly used to protect electrical panelboards, machinery disconnects, and industrial controls.
Time-Delay UL Class CF Fuses
Time-delay UL Class CF fuses tolerate temporary inrush currents without opening, which prevents nuisance-blowing from motor and equipment startups. Also called slow-blow Class CF fuses, they open to disconnect an electrical circuit when exposed to sustained loads and short circuits.
Equivalent Series: FCF
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Equivalent Series: TCF
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