Bussmann(R) Time-Delay Fuses SC Class G - 600 Volt, TM - 20 Amps 480 Volt, 25 - 60 Amps Dimensional Data A (Length) .41" (10.3mm) Fuse (Amps) Catalog Symbol: SC Current-Limiting Ampere Rating: TM to 60A (fast-acting), 7 to 60A (time-delay) Voltage Ratings: SC TM to 20 600Vac, 170Vdc SC 25 to 60 480Vac, 300Vdc Interrupting Rating: 100,000A RMS Sym. AC, 10,000A dc Agency Information: UL Listed, Std. 248-5, Class G, Guide JDDZ, File E4273 CSA Certified, C22.2 No. 248.5, Class 1422-01, File 53787 Catalog Numbers SC-TM SC-6 SC-25 SC-1 SC-7 SC-30 SC-1TM SC-8 SC-35 SC-2 SC-9 SC-40 SC-2TM SC-10 SC-45 SC-3 SC-12 SC-50 SC-4 SC-15 SC-60 SC-5 SC-20 -- Carton Quantity and Weight Catalog Number Weight Carton Qty. Lbs. Kg. TM-15 4 0.060 0.0272 20 4 0.064 0.029 25-30 2 0.040 0.018 35-60 2 0.075 0.0340 Weight per carton. 4-01-04 SB04105 A SC-TM to 15 1.31 SC-20 1.41 SC-25 to 30 1.62 SC-35 to 60 2.25 General Information: * Compact branch-circuit units with high interrupting rating and current-limitation. * With 600V rating, they can be used in 120/208, 120/240 and 277/480V circuits. * Length variations relative to case size make the "rejection" type fuses. * In general, SC fuses are about the size of the 600V NEC fuse type. * SC fuses with ampere ratings above 6A have a degree of overload time-delay which permits them to pass temporary overloads. At 200% load, they have a minimum opening time of 12 seconds. Recommended fuseblocks/fuseholders for Class G fuses See Data Sheets listed below * Open fuseblocks - 1106 * In-line fuseholders - 1123, 1124 CE logo denotes compliance with European Union Low Voltage Directive (50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact Bussmann Application Engineering at 636-527-1270 for more information. Form No. SC Page 1 of 3 Data Sheet: 1024 Bussmann(R) Time-Delay Fuses SC Class G - 600 Volt, TM - 20 Amps 480 Volt, 25 - 60 Amps Peak Let-Through Curves B 60 30 20 15 AMPERE RATING INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS 10,000 1,000 A 100,000 10,000 1,000 100 100 RMS SYMMETRICAL CURRENTS IN AMPERES A-B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS) 4-01-04 SB04105 Form No. SC Page 2 of 3 Data Sheet: 1024 Bussmann(R) Time-Delay Fuses SC Class G - 600 Volt, TM - 20 Amps 480 Volt, 25 - 60 Amps 60A 1A 1-1/2A 2A 2-1/2A 3A 4A 5A 6A 8A 10A 12A 15A 20A 30A 1/2A Time-Current Characteristic Curves- Total Clearing 300 TIME IN SECONDS 100 10 1 .1 .01 .7 1 10 100 1,000 2,000 CURRENT IN AMPERES 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. 4-01-04 SB04105 Form No. SC Page 3 of 3 Data Sheet: 1024