Limitron® KTS-R Fast-Acting Fuses 600 Volt 1-600A Dimensional Data 5" (± 0.31) .81" (± 0.008) 1/10A to 30A 5.5" (± 0.31) 1.06" (± 0.008) 35A to 60A 7.88" (±0.062) 1.000" (± 0.008) 70A to 100A 9.63" (± 0.062) 1.500" (± 0.008) 110A to 200A Catalog Symbol: KTS-R Fast-Acting Current-Limiting Ampere Rating: 1 to 600A Voltage Rating: 600Vac (or less)* Interrupting Rating: 200,000A RMS Sym. Tube Material: Glass Melamine End Caps: 70/30 Brass Operating Temp.: –40°C to +85°C Storage Temp.: –55°C to +85°C Agency Information: CE, UL Listed, Std. 248-12, Class RK1, Guide JDDZ, File E54273 CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787 Catalog Numbers 11.63" (±0.094) 2.000" (± 0.008) 225A to 400A 13.38" (± 0.094) 2.500" (± 0.008) 450A to 600A Carton Quantity and Weight (600Vac) Weight* Amps Carton Qty. Lbs. Kg. 1–30 10 1.45 0.657 40–60 10 2.63 1.262 70–100 1 0.5 0.226 110–200 1 1.4 0.634 KTS-R-1 KTS-R-30 KTS-R-125 225–400 1 2.75 1.246 KTS-R-2 KTS-R-35 KTS-R-150 4.25 1.925 KTS-R-40 KTS-R-175 450–600 *Weight per carton. 1 KTS-R-3 KTS-R-4 KTS-R-45 KTS-R-200 KTS-R-5 KTS-R-50 KTS-R-225 KTS-R-6 KTS-R-60 KTS-R-250 KTS-R-8 KTS-R-70 KTS-R-300 KTS-R-10 KTS-R-75 KTS-R-350 KTS-R-12 KTS-R-80 KTS-R-400 KTS-R-15 KTS-R-90 KTS-R-450 KTS-R-20 KTS-R-100 KTS-R-500 KTS-R-25 KTS-R-110 KTS-R-600 1002 SB02295 General Information: • Single-element, fast-acting fuses with minimal time-delay. • Provides a high degree of short-circuit current-limitation (component protection). • Particularly suited for circuits and loads with no heavy surge currents of motors, transformers, solenoids, and welders. • LIMITRON fuses are commonly used to protect circuit breakers with lower interrupting ratings. • If used in circuits with surge currents (motors, etc.) must be sized to prevent unwanted opening and thus only provide short-circuit protection. • Incorporate Class R rejection feature. Can be inserted in nonrejection type fuseholders. Thus, can physically and electrically replace fast-acting Class H, K1, K5, RK5, and other fast-acting fuses. Page 1 of 2 Data Sheet 1044 600A 400A 200A 100A 30A 400,000 60A Time-Current Characteristic Curves–Average Melt B AMPERE RATING AMPERE RATING 300 100,000 100 600 400 200 100 10,000 60 10 200,000 100,000 1,000 10,000 A TIME IN SECONDS 30 1,000 INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS Current-Limitation Curves 1 RMS SYMMETRICAL CURRENTS IN AMPERES A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 x SYMM RMS AMPS) Recommended fuseblocks for Class R 600V fuses See Data Sheet: 1111 .1 10,000 1,000 40 100 .01 RMS SYMMETRICAL CURRENT IN AMPERES 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. © 2010 Cooper Bussmann www.cooperbussmann.com 1002 SB02295 Page 2 of 2 Data Sheet 1044