ceramic body axial lead and cartridge fuses 3ab fast-acting fuse 314/324 series 292 www.littelfuse.com 314 000 series 324 000 series 6.35 (.25") 32.385 (1.275") 31.75 (1.25") 6.985 (.275") 38.1 (1.50") typ. axial lead material: solder coated copper. 0.813 (.032") ( - 15a) 1.016 (.040") (20 - 30a) 1 8 / ceramic body construction permits higher interrupting ratings and volt- age ratings. ideal for applications where high current loads are expected. electrical characteristics: % of ampere ampere opening rating rating time 110% 1/8 30 4 hours, min imum 135% 1/8 30 1 hour, max imum 200% 1/8 12 15 seconds, max imum 15 30 30 seconds, max imum agency approvals: listed by underwriters laboratories and certified by csa through 15 amperes at 250 vac/125 vdc. recognized under the components program of underwriters laboratories at 20-30a, certified by csa at 20a, and approved by meti from 10 through 30 amperes. agency file numbers: ul e10480, csa lr 29862. fuses to mil spec: see f03a cartridge type in military section. interupting ratings: 0.125 - 20a 10,000a @ 125 vac/dc 25 - 30a 400a @ 125 vac/dc 0.125 - 1a 35a @ 250 vac 2 - 3a 100a @ 250vac 4 - 15a 750a @ 250vac 20a 1,000a @ 250vac 25-30a 100a @ 250vac ordering information: 1000 100 10 1 0.1 0.01 0.1 1 10 100 1000 1/8a 1/4a 3/8a 1/2a 3/4a 1a 2a 3a 4a 5a 6a 7a 8a 10a 12a 15a 20a 25a 30a time in seconds current in amperes cartridge axial lead nominal nominal catalog catalog ampere voltage resistance melting i 2 t number number rating rating cold ohms a 2 sec. 314 .125 324 .125 1/8 250 6.20 0.00149 314 .250 324 .250 1/4 250 1.95 0.0140 314 .375 324 .375 3/8 250 0.820 0.050 314 .500 324 .500 1/2 250 0.500 0.115 314 .750 324 .750 3/4 250 0.250 0.466 314 001 324 001 1 250 0.189 0.690 314 002 324 002 2 250 0.0700 11.0 314 003 324 003 3 250 0.0432 14.6 314 004 324 004 4 250 0.0470 10.4 314 005 324 005 5 250 0.0300 26.0 314 006 324 006 6 250 0.0240 45.0 314 007 324 007 7 250 0.0187 71.0 314 008 324 008 8 250 0.0153 105.0 314 010 324 010 10 250 0.0105 206.0 314 012 324 012 12 250 0.00760 570.0 314 015 324 015 15 250 0.00505 292.0 314 020 324 020 20 250 0.00355 631.0 314 025 324 025 25 250 0.00235 1450.0 314 030 324 030 30 250 0.00182 2490.0 average time current curves u l qpl
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