Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 314/324 Series PS Pb RoHS E 314/324 Series Lead-free 3AB, Fast-Acting Fuse Description The 3AB Fast-Acting Fuse with ceramic body construction permits higher interrupting ratings and voltage ratings. Ideal for applications where high current loads are expected. Features In accordance with UL UL Listed and Standard 248-14 Recognized to UL/CSA/ NMX 248-1 and UL/CSA/ Available in cartridge NMX 248-14 and axial lead format and with various forming Conforms to DENANs dimensions Appendix 3 RoHS compliant and Conforms to EN 60127-1 Lead-free and EN 60127-7 (15A, 20A only) Agency Approvals Applications Used as supplementary protection in appliance or Agency Agency File Number Ampere Range utilization equipment to provide individual protection for components or internal circuits. E10480 0.375A - 15A 29862 0.375A - 20A Electrical Characteristics for Series E10480 20A - 40A 314 Series: 1A - 3.5A % of Ampere Rating Ampere Rating Opening Time NBK030805-E10480A 4A - 5A NBK030805-E10480C 100% 0.375 - 40 4 hours, Minimum 6A - 15A NBK030805-E10480E 20A - 30A 135% 0.375 - 30 1 hour, Maximum NBK260106-JP1021A PS E 0.375 - 12 15 secs., Maximum 324 Series: 1A - 3.5A 200% NBK030805-E10480B 15 - 30 30 secs., Maximum 4A - 5A NBK030805-E10480D 250% 40 30 secs., Maximum 6A - 15A NBK030805-E10480F 20A - 30A NBK260106-JP1021B SU05001-6003 3A SU05001-6001 4-6A SU05001-7006 7-10A Additional Information SU05001-8002 12-15A SU05001-8003 20A SU05001-6002 25-30A N/A 0.375A - 30A J 50440217 *15A/*20A Datasheet Resources Samples Accessories 314 Series 314 Series 314 Series 314 & 324 * - Approved for axial leaded version only. Series Datasheet Resources Samples 324 Series 324 Series 324 Series For recommended fuse accessories for this product series, see Recommended Accessories section. 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 10/21/20Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 314/324 Series Electrical Specification by Item Agency Approvals Ampere Voltage Nominal Cold Interrupting Nominal Melting Amp Code Rating Rating Resistance + 2 2 PS Rating I t (A sec)*** E (A) (V) (Ohms) .375 0.375 250 35 A 250 VAC 0.820 0.210 x x - - - x - .500 0.5 250 10 kA 125 VAC 0.500 0.639 x x - - - x - 10 kA 125 VDC .750 0.75 250 0.250 2.061 x x - - - x - 001. 1 250 100 A 250 VAC 0.189 0.690 x x - - x x - 002. 2 250 10 kA 125 VAC 0.0700 5.700 x x - - x x - 003. 3 250 10 kA 125 VDC 0.0432 14.6 x x x - x x - 004. 4 250 0.0470 10.4 x x x - x x - 005. 5 250 0.0300 26.0 x x x - x x - 006. 6 250 0.0240 45.0 x x x - x x - 007. 7 250 0.0187 71.0 x x x - x x - 750 A 250 VAC 008. 8 250 0.0153 105 x x x - x x - 10 kA 125 VAC 010. 10 250 0.0105 206 x x x - x x - 10 kA 125 VDC 010.* 10 280 0.0105 206 - - - x - x - 012. 12 250 0.00760 570 x x x - x x - **** 015. 15 250 0.00505 292 x x x - x x x 015.* 15 280 0.00505 292 - x x - **** 020. 20 250 0.00355 631 - x x x x x x 1000 A 250 VAC 200 A 300 VAC 020.* 20 280 10 kA 125 VAC 0.00355 631 - - - x - x - 10 kA 125 VDC 025. 25 250 0.00235 1450 - - x x x x - 100 A 250 VAC 025.** 25 280 0.00235 1450 - - - x - x - 1000 A 75 VDC 400 A 125 VAC 030. 30 250 0.00182 2490 - - x x x x - 400 A 125 VDC 1000 A 250 VAC 040. 40 250 0.0014 22925 - - - x - x - 400 A 150 VDC * 350A 280VAC interrupting rating available for 10A, 15A and 20A. ** 50A 280VAC for 25A. Add suffix 280. Example: 0324020.MX280P. 2 ***I t test at 10x rated current ****Approved for axial leaded versions only, and interrupting rating is 750A 250Vac for 15A,1000A 250Vac for 20A + - Interrupting Rating may differ based on Agency Approval. See Agency Approval certificate for more details. Temperature Re-rating Curve Average Time Current Curves 1000 100 10 1 0.1 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. 0.01 0.1 110100 1000 CURRENT IN AMPERES 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 10/21/20 TIME IN SECONDS .375A .500A .750A 1A 2A 3A 4A 5A 6A 7A 8A 10A 12A 15A 20A 25A 30A 40A