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DFJ-250 Datasheet(PDF) 1 Page - Cooper Bussmann, Inc. |
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DFJ-250 Datasheet(HTML) 1 Page - Cooper Bussmann, Inc. |
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1 / 4 page  Technical Data 1048 Effective December 2015 Supersedes November 2013 BUSSMANN SERIES DFJ Class J high speed fuses Catalog symbol: • DFJ-_ Description: The Bussmann® series DFJ drive fuse is a high speed, current-limiting fuse that provides maximum protection for AC and DC drives and controllers and meet NEC® branch circuit protection requirements. The drive fuse has the lowest I2t of any branch circuit fuse to protect power semiconductor devices that utilize diodes, GTOs, SCRs and SSRs. Specifications: Ratings • Volts • 600Vac (or less) • 450Vdc (or less, 15-600A) • Amps 1-600A • IR • 200kA RMS Sym. • 100kA DC Agency information • CE • UL® Listed Standard 248-8, Class J, Guide JDDZ, File E4273 • CSA® Certified, Class 1422-02, File 53787 • RoHS compliant Features: • Easily coordinated with existing and new variable speed drives and electric controllers. • Standard Class J dimensions allow using readily available fuse blocks, holders and switches. • Has the lowest let-through energy of any branch circuit overcurrent protective device. Typical applications • Protection of AC and DC drives • Equipment using power semiconductor devices Recommended fuse blocks and holders: Fuse amps 1-Pole 2-Pole 3-Pole Modular ferrule blocks (data sheet No. 10289) 0-30 JM60030-1_ JM60030-2_ JM60030-3_ 35-60 JM60060-1_ JM60060-2_ JM60060-3_ “Pyramid” blocks (data sheet No. 1108) 0-30 — — JP60030-3_ CH holders (data sheet No. 2144) 0-30 CH30J1_ CH30J2_ CH30J3_ 35-60 CH60J1_ CH60J2_ CH60J3_ Safety J™ holders (data sheet No. 1152) 0-30 JT60030_ — — 35-60 JT60060_ — — JM modular knifeblade fuse blocks (data sheet No. 3192) 70-100 JM60100-1CR JM60100-2CR JM60100-3CR 110-200 JM60200-1CR JM60200-2CR JM60200-3CR 225-400 JM60400-1CR JM60400-2CR JM60400-3CR 450-600 JM60600-1CR JM60600-2CR JM60100-3CR Power distribution fuse blocks (data sheet No. 10192) 70-100 JM60100- 1MW14 JM60100- 2MW14 JM60100- 3MW14 110-200 JM60200- 1MW16 JM60200- 2MW16 JM60200- 3MW16 225-400 JM60400- 1MW16 JM60400- 2MW16 JM60400- 3MW16 JM60400- 1MW26* JM60400- 2MW26* JM60400- 3MW26* * Lineside dual box lug terminal. |
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