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UL Class CC Fuses
UL Class CC fuses protect branch circuits, control circuits, lighting, transformers, and general loads against overcurrent that could damage equipment, start fires, or cause electrical shock injuries. They have a rejection feature that allows them to install into Class CC rejection fuse blocks and holders that prevent midget fuses from being installed. These fuses are current-limiting and prevent electrical damage by disconnecting circuits before they're exposed to the full magnitude and duration of an overcurrent. UL Class fuses meet industry-standard size specifications and electrical ratings that ensure fuses with the same ratings can be interchanged and will perform as expected regardless of brand.
Time Delay UL Class CC Fuses
Time delay UL Class CC fuses won't blow when exposed to temporary inrush currents, which prevents nuisance-blowing from motor and equipment startups. Also called slow-blow UL Class CC fuses, they open to disconnect an electrical circuit when exposed to sustained loads and short circuits. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.
Series ATQR, FNQ-R, and KLDR fuses handle inductive loads from devices such as control transformers and solenoids.
Series ATDR, CCMR, and LP-CC fuses protect small motors and branch-circuit components.
Equivalent Series: ATQR, FNQ-R, KLDR
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Equivalent Series: ATDR, CCMR, LP-CC
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Fast Acting UL Class CC Fuses
Fast acting UL Class CC fuses blow within seconds of being exposed to overloads and short circuits. Also called fast-blow UL Class CC fuses, they are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.
Series ATMR, KLKR, and KTK-R fuses are commonly used in appliances, integrated circuits, control circuits, control circuit transformers, and other equipment with specific current-limitation requirements.
Equivalent Series: ATMR, KLKR, KTK-R
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