POWR-Gard Catalog
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.
Link has been copied to clipboardClass CC Fuses
Littelfuse offers three different series of Class CC dual-element fuses that are specifically designed to protect different types of components. The CCMR time-delay fuses offer superior protection of motor circuits up to 40 hp. The KLDR time-delay fuses are designed to withstand the high magnetizing in-rush of transformers. The KLKR fast-acting fuses are used for protection of equipment containing solid-state devices or other components requiring fast response on overloads. The CCMR series features POWR-PRO® technology with high-interrupting capability up to 300 kA (self-certified).
- Time-delay and fast-acting versions
- Available with ampere ratings from 0.1 A to 60 A
- Current-limiting
- Interrupting rating of 200 kA @ 600 V ac
- Reduces damage caused by heating and magnetic effects of short-circuit currents
- Superior protection of components sensitive to short-time overloads
- All-purpose, space-saving branch circuit fuse
Class CC Fuses Parts
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Standards: UL Standard 248-4; CSA Standard C22.2, No. 106, classified as HRCI Misc.
Voltage Rating: 600 V ac
Class CC Current Ratings: 0–30 A
Class CD Current Ratings: 35–60 A
Interrupting Ratings: 200 kA rms symmetrical
Time Delay Optional: Minimum of 12 s at 200 % of current rating
Standards: UL Standard 248-4; CSA Standard C22.2, No. 106, classified as HRCI Misc.
Voltage Rating: 600 V ac
Class CC Current Ratings: 0–30 A
Class CD Current Ratings: 35–60 A
Interrupting Ratings: 200 kA rms symmetrical
Time Delay Optional: Minimum of 12 s at 200 % of current rating