Next Previous Axial Lead and Cartridge Fuses Ceramic Body 3AB Slo-Blo ® U® L Fuse 325/326 Series ® ® QPL Ceramic body construction permits higher interrupting ratings and voltage ratings. Ideal for applications where high current loads are expected. ELECTRICAL CHARACTERISTICS: % of Ampere Rating 110% 135% Ampere Rating 1/100–30 1/100–30 1/100–3.2 4 – 30 200% 4 1 5 5 Opening Time hours, Minimum hour, Maximum sec., Min.; 30 sec. Max. sec., Min.; 60 sec. Max. AGENCY APPROVALS: Listed by Underwriters Laboratories from 1/4 through 10 amperes. Certified by CSA from 1/4 through 30 amperes. Recognized under the component program of Underwriters Laboratories for 12-30A. AGENCY FILE NUMBERS: UL E10480, CSA LR 29862. FUSES TO MIL SPEC: See F03B cartridge type in Military Section. 326 000 Series 0.813 (.032") ( 1/100 -15A) 1.016 (.040") (20 -30A) 6.985 (.275") PATENTED INTERUPTING RATING: 0.010 - 20A 25 - 30A 0.010 - 3.2A 4 - 20A 325 000 Series 6.35 (.25") 10,000A @ 125VAC 400A @ 125VAC 100A @ 250VAC 400A @ 250VAC 31.75 (1.25") 32.385 (1.275") 38.1 (1.50") TYP. Axial Lead Material: Solder coated copper. ORDERING INFORMATION: Voltage Rating 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 250 125 125 Nominal Resistance Cold Ohms 3300.0000 330. 91.0 33.3 22.3 15.3 8.84 7.67 6.72 4.40 3.20 2.14 1.92 1.29 0.940 0.716 0.636 0.568 0.386 0.284 0.266 0.196 0.175 0.120 0.0830 0.0690 0.0600 0.0535 0.0755 0.0518 0.0343 0.0225 0.0191 0.0131 0.0066 0.0049 0.0033 0.0024 0.0019 Nominal Melting I 2 t A2 Sec. 0.00148 0.0110 0.0276 0.0870 0.100 0.143 0.220 0.230 0.213 0.432 0.690 1.20 1.33 2.50 3.90 6.42 7.00 8.20 16.3 22.0 24.0 40.1 45.0 80.0 136.0 170.0 200.0 214.0 9.71 25.0 60.4 47.3 67.1 137.0 129.0 245.0 575.0 1030.0 1690.0 Average Time Current Curves 1000 8 AXIAL LEAD AND CARTRIDGE FUSES Ampere Rating 1/100 1/32 1/16 1/10 1/8 15/100 .175 3/16 2/10 1/4 3/10 3/8 4/10 1/2 6/10 7/10 3/4 8/10 1 12/10 11/4 11/2 16/10 2 21/2 8 2 /10 3 32/10 4 5 61/4 7 8 10 12 15 20 25 30 .375A .500A .750A 1.0A 1.5A 2.0A 2.5A 3.0A 3.5A 4.0A 5.0A Axial Lead Catalog Number 325.010 325.031 325.062 325.100 325.125 325.150 325.175 325.187 325.200 325.250 325.300 325.375 325.400 325.500 325.600 325.700 325.750 325.800 325 001 325 01.2 325 1.25 325 01.5 325 01.6 325 002 325 02.5 325 02.8 325 003 325 03.2 325 004 325 005 325 6.25 325 007 325 008 325 010 325 012 325 015 325 020 325 025 325 030 100 10 TIME IN SECONDS Cartridge Catalog Number 326.010 326.031 326.062 326.100 326.125 326.150 326.175 326.187 326.200 326.250 326.300 326.375 326.400 326.500 326.600 326.700 326.750 326.800 326 001 326 01.2 326 1.25 326 01.5 326 01.6 326 002 326 02.5 326 02.8 326 003 326 03.2 326 004 326 005 326 6.25 326 007 326 008 326 010 326 012 326 015 326 020 326 025 326 030 1 0.1 0.01 0.05 0.1 w w w. l i t t e l f u s e . c o m 1 10 100 1000 CURRENT IN AMPERES 293