LIMITRON™ 600V Class T JJS — 600Vac, 1-800A, Fast-Acting Fuses Dimensions – in 1.5" ( 0.04) Dia. 0.56" ( 0.04) 3.63" ( 0.04) 2.72" 1.73" 1 to 30A 1" ( 0.04) 2.95" ( 0.04) Description: Advanced protection Class T current-limiting, fast-acting fuses. Ratings: Volts — 600Vac 0.88" ( 0.04) Amps — 1-800A IR — 200kA Vac RMS Sym. 0.344" (Typ. 2) Agency Information: 1.25" ( 0.04) 0.484" (Typ. 2) 450 to 600A 4.33" ( 0.04) 3.17" 1.88" 70 to 100A 3.25" ( 0.04) 2.5" 1.66" 1 3.98" ( 0.04) 2.95" 1.78" 35 to 60A 2.36" 1.64" 0.75" ( 0.04) 0.281" (Typ. 2) Catalog Symbol: JJS-(amp) 0.406" (Typ. 2) 225 to 400A Dia. 0.81" ( 0.04) 1.75" ( 0.04) 10 to 200A 0.563" (Typ. 2) 601 to 800A CE, UL Listed, Std. 248-15, Class T, Guide JDDZ, File E4273 CSA Certified, C22.2 No. 248.15, Class 1422-02, File 53787 Catalog Numbers (amps) JJS-1 JJS-2 JJS-3 JJS-6 JJS-10 JJS-15 JJS-20 JJS-25 JJS-30 JJS-35 JJS-40 JJS-45 JJS-50 JJS-60 JJS-70 JJS-80 JJS-90 JJS-100 JJS-110 JJS-125 JJS-150 JJS-175 Carton Quantity and Weight Amp Rating 1–30 35–60 70–100 110–200 225–400 450–600 800 0713 Carton Qty. 10 10 5 1 1 1 1 BU-SB13737 JJS-200 JJS-225 JJS-250 JJS-300 JJS-350 JJS-400 JJS-450 JJS-500 JJS-600 JJS-800 Features: • Small, space-saving fuses provide a high degree of currentlimitation on short-circuits for excellent component protection • Commonly applied in electric heat circuits, load center, disconnect switches, and meters • The small size of the JJS Class T fuses permits installation in panelboards and control centers for system upgrading when existing circuit breakers cannot safely interrupt larger available short-circuit currents • High speed response for semiconductor protection • Available for printed circuit board applications Recommended Fuse Blocks Amps Rating 1-30 35-60 70-100 110-200 2225-400 450-600 1-Pole T60030-1_ T60060-1_ T60100-1_ T60200-1_ T60400-1_ T60600-1_ 2-Pole T60030-2_ T60060-2_ T60100-2_ 3-Pole T60030-3_ T60060-3_ T60100-3_ 1B0089 For additional information on the 600 volt Class T fuse blocks, see Data Sheet # 1116. Page 1 of 3 Data Sheet # 1029 LIMITRON™ 600V Class T JJS — 600Vac, 1-800A, Fast-Acting Fuses 400A 500A 600A 200A 100A 60A 15A 30A 10A 5A 300 3A 1A Time-Current Curves - Average Melt AMP RATING 100 TIME IN SECONDS 10 1 0713 BU-SB13737 Page 2 of 3 10,000 CURRENT IN AMPS 1,000 100 1 .01 10 .1 Data Sheet # 1029 LIMITRON™ 600V Class T JJS — 600Vac, 1-800A, Fast-Acting Fuses Custom Designs Printed circuit board versions available up to 60 amps. Consult factory for details. B 400,000 300,000 AMP RATING INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS Current-Limitation Curves 200,000 100,000 80,000 60,000 UL Component Recognized, Guide JFHR2, File E56412. Dimensions - in 47.88 (1.885) 800 600 40,000 30,000 400 20,000 200 10,000 8,000 6,000 100 60 30 8.23 (0.324) JJS-(1-30)V 15 4,000 3,000 5.08 MIN. (0.200) 19.05 ± 0.76 (0.750 ± 0.03) 20.19 ± 0.76 (0.795 ± .03) 2,000 12.70 (0.500) 1.562" 1,000 800 600 0.150" (+ 0.02 – 0.0) 0.806" (± 0.02) 400 300 1.432" (± 0.03) 200,000 60,000 80,000 100,000 20,000 30,000 40,000 6,000 8,000 10,000 2,000 3,000 4,000 600 800 1,000 200 300 400 100 A 200 0.806" PROSPECTIVE SHORT-CIRCUIT CURRENT–SYMMETRICAL RMS AMPS Current-Limiting Effects Prosp. Let-Through Current S.C.C. (Apparent RMS Symmetrical Vs. Fuse Rating) 15A 30A 60A 100A 200A 400A 600A 500 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 5000 1000 1000 1000 2000 3000 4000 5000 10,000 1000 1000 1000 2000 3000 6000 8000 15,000 1000 1000 2000 3000 4000 7000 10,000 20,000 1000 1000 2000 3000 4000 7000 10,000 25,000 1000 1000 2000 3000 5000 7000 11,000 30,000 1000 1000 2000 3000 5000 8000 12,000 35,000 1000 1000 2000 3000 5000 9000 13,000 40,000 1000 2000 2000 4000 5000 9000 13,000 50,000 1000 2000 2000 4000 6000 10000 14,000 60,000 1000 2000 3000 4000 6000 10000 16,000 70,000 1000 2000 3000 4000 7000 11000 17,000 80,000 1000 2000 3000 4000 7000 11000 17,000 90,000 1000 2000 3000 4000 7000 12000 18,000 100,000 2000 2000 3000 5000 7000 12,000 19,000 150,000 2000 3000 4000 6000 8000 14,000 22,000 200,000 2000 3000 4000 6000 9000 16,000 24,000 JJS-(35-60)V 800A 1000 1000 5000 9000 11,000 12,000 13,000 14,000 15,000 15,000 17,000 18,000 19,000 20,000 21,000 22,000 25,000 28,000 The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper 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. Cooper Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper 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. 0713 BU-SB13737 Page 3 of 3 Data Sheet # 1029