Drive Fuse Class J DFJ — 600Vac/450Vdc, 1-600A High Speed Fuse Features and Benefits • Easily coordinated with existing and new variable speed drives and electric controllers. • Standard Class J dimensions allowing the use of readily available fuse blocks, holders, and switches. • Allows the lowest let-thru 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 Description: High speed, current-limiting fuse. The Bussmann Drive Fuse will provide 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. Fuse Amps Construction: Melamine tube with silver fuse element. 0-30 35-60 Ratings: Volts — 600Vac (or less), 450Vdc (or less, 30-600A) Amps — 1-600A IR — 200kA RMS Sym., 100kA DC Agency Information: CE, Std. 248-8, Class J, UL Listed, Guide JDDZ, File E4273, CSA Certified, Class 1422-02, File 53787. Catalog Numbers (Amps) DFJ-1 DFJ-15 DFJ-2 DFJ-20 DFJ-3 DFJ-25 DFJ-4 DFJ-30 DFJ-5 DFJ-35 DFJ-6 DFJ-40 DFJ-8 DFJ-45 DFJ-10 DFJ-50 DFJ-12 DFJ-60 DFJ-70 DFJ-80 DFJ-90 DFJ-100 DFJ-110 DFJ-125 DFJ-150 DFJ-175 DFJ-200 DFJ-225 DFJ-250 DFJ-300 DFJ-350 DFJ-400 DFJ-450 DFJ-500 DFJ-600 0-30 35-60 0-30 0-30 35-60 70-100 110-200 225-400 450-600 1-Pole 2-Pole 3-Pole Open Blocks J60030-1_ J60030-2_ J60030-3_ J60060-1_ J60060-2_ J60060-3_ “Pyramid” Blocks — — JP60030-3_ CH Series Holders CH30J1_ CH30J2_ CH30J3_ CH60J1_ CH60J2_ CH60J3_ Safety J™ Holders JT60030_ — — JT60060_ — — JM Series Modular Knifeblade Fuse Blocks JM60100-1CR JM60100-2CR JM60100-3CR JM60200-1CR JM60200-2CR JM60200-3CR JM60400-1CR JM60400-2CR JM60400-3CR JM60600-1CR JM60600-2CR JM60100-3CR For additional information on the open Class J fuse blocks and holders, see data sheets # 1114 (open blocks), #1108 (pyramid blocks), # 2144 (CH Series) and # 1152 (Safety J). For additional information on the JM Series of modular knifeblade fuse blocks, see product brochure # 3192. Carton Quantity: Amp Rating 1–60 70–200 225–600 1113 Carton Qty. 10 5 1 BU-SB131065 Page 1 of 4 Data Sheet # 1048 Drive Fuse Class J DFJ — 600Vac/450Vdc, 1-600A High Speed Fuse Electrical Characteristics Catalog Number DFJ-15 DFJ-20 DFJ-25 DFJ-30 DFJ-35 DFJ-40 DFJ-50 DFJ-60 DFJ-70 DFJ-80 DFJ-90 DFJ-100 DFJ-110 DFJ-125 DFJ-150 DFJ-175 DFJ-200 DFJ-225 DFJ-250 DFJ-300 DFJ-350 DFJ-400 DFJ-450 DFJ-500 DFJ-600 Rated Current Amps 15 20 25 30 35 40 50 60 70 80 90 100 110 125 150 175 200 225 250 300 350 400 450 500 600 Dimensions - in I2t (A2 Sec) @ 600Vac/100kA Pre-arc Clearing 4 110 8 365 12 610 20 1000 55 1100 90 1900 140 2800 290 6000 450 3100 650 4600 1010 7200 1460 10500 1710 9500 3580 20000 5080 28000 6310 35000 9850 54500 11420 51000 17000 74500 23500 103000 38800 170000 62200 272000 44600 270000 79500 480000 138000 830000 Watts Loss 4.1 4.0 4.9 5.5 6.8 8.6 8.7 8.5 12 13 13 13 17 15 19 23 24 29 30 36 39 40 56 52 57 2.38˝ 2.25˝ 0.63˝ 1.06˝ 0.50˝ 0.81˝ 4.63" (± 0.03) 3.63" 2.63" 1.13" .75" 1" .28" .43" 70A to 100A .13" 5.75" (± 0.03) 4.38" 3.0" 110A to 200A .43" 7.13" (± 0.03) 5.25" 3.38" 225A to 400A 1.13" .28" 1.63" .19" 1.38" .41" 1.63" 2.11" 1.88" .58" .25" 8.0" (± 0.03) 6.0" 3.75" .53" 450A to 600A .74" 1113 BU-SB131065 Page 2 of 4 2" 2.5" .38" 2.13" Data Sheet # 1048 Drive Fuse Class J DFJ — 600Vac/450Vdc, 1-600A High Speed Fuse Time-Current Curves - Average Melt 1113 BU-SB131065 Page 3 of 4 Data Sheet # 1048 Drive Fuse Class J DFJ — 600Vac/450Vdc, 1-600A High Speed Fuse Current-Limitation Curves The only controlled copy of this Data Sheet is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. 1113 BU-SB131065 Page 4 of 4 Data Sheet # 1048