DLS CC-2 User Manual download pdf (Page 25)

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Branch

Circuit

Fuses

Low Voltage, Branch Circuit Rated Fuses

100

200

400

600

Time-Current Characteristic Curves—Average Melt

Fusetron

Dual-element, Time-delay Fuses

Specifications

Description: Dual-element, time-delay

fuse – 10 seconds (minimum) at 500%

rated amps (8 seconds for 0-30A sizes).

Available with indication on select ratings

(see Catalog Numbers table).

Dimensions: See page 15 for Class RK5

dimensions.

Ratings:

Volts — 250Vac (or less)

— 125Vdc (

⁄10-60A, 110-200A)

— 250Vdc (225-600A)

Amps —

⁄10-600A

IR — 200kA RMS Sym.

— 20kA DC

Agency Information: CE, Std. 248-12, Class RK5,

UL Listed, Guide JDDZ, File E4273, CSA Certified, Class

1422-01, File 53787.

Features and Benefits

• Separate overload and short-circuit elements provide time

delay for sizing as close as 125% of motor FLA.

• 2:1 selective coordination amp ratio (within the Cooper

Bussmann RK5 fuse family) prevents overcurrent events

from opening upstream Fusetron fuses.

• Insulated end caps for 225A-600A fuses reduces exposure

to live parts and extends air gap to distance between

blades of adjacent mounted fuses or to housing.

Typical Applications

• Power Panelboards

• Motor Control Centers

Catalog Numbers (Amps)

FRN-R-

⁄10 FRN-R-2 FRN-R-10* FRN-R-100

FRN-R-

⁄8 FRN-R-2-

⁄4 FRN-R-12* FRN-R-110

FRN-R-

⁄100 FRN-R-2-

⁄2 FRN-R-15* FRN-R-125

FRN-R-

⁄10 FRN-R-2-

⁄10 FRN-R-17-

⁄2* FRN-R-150

FRN-R-

⁄4 FRN-R-3 FRN-R-20* FRN-R-175

FRN-R-

⁄10 FRN-R-3-

⁄10 FRN-R-25* FRN-R-200

FRN-R-

⁄10 FRN-R-3-

⁄2 FRN-R-30* FRN-R-225

FRN-R-

⁄2 FRN-R-4 FRN-R-35* FRN-R-250

FRN-R-

⁄10 FRN-R-4-

⁄2 FRN-R-40* FRN-R-300

FRN-R-

⁄10 FRN-R-5 FRN-R-45* FRN-R-350

FRN-R-1 FRN-R-5-

⁄10 FRN-R-50* FRN-R-400

FRN-R-1-

⁄8 FRN-R-6 FRN-R-60* FRN-R-450

FRN-R-1-

⁄4 FRN-R-6-

⁄4 FRN-R-70 FRN-R-500

FRN-R-1-

⁄10 FRN-R-7 FRN-R-75 FRN-R-600

FRN-R-1-

⁄2 FRN-R-7-

⁄2 FRN-R-80

FRN-R-1-

⁄10 FRN-R-8* FRN-R-85

FRN-R-1-

⁄10 FRN-R-9* FRN-R-90

Data Sheets: 1019 (0-60) and 1020 (70-600)

Data Sheet: 1169 (8-60) FRN-R with indication

Instantaneous Peak Let-Through Current Amps

RMS Symmetrical Currents In Amps

A–B = Asymmetrical Available Peak (2.3 x Sym RMS Amps)

400,000

100,000

10,000

1,000

10,000

100,000

200,000

600

100

Amp

Rating

400

200

FRN-R

Current Limitation Curves

FRN-R (250V) Class RK5

*Available with indication.To order, place “ID” at the end of the catalog number.

• Combination Starters

• Machinery Disconnects

Recommended Fuse Reducers For Class R Fuses

• See page 14

For superior electrical protection,Cooper Bussmann recommends upgrading FRN-R

fuse applications to Low-Peak

LPN-RK fuses. See page 29.

Recommended Fuse Holders & Blocks For Class RK5 Fuses

• See page 13

Available

With

Indication

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DLS CC-2 User Manual Page 25

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