POWR-GARD Fuse Datasheet SPFI SERIES IN-LINE SOLAR FUSE 1000 V dc 230 A REACH Specifications Voltage Rating 1000 V dc Amperage Rating 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30 A Interrupting Rating 20 kA Time Constant 1ms Material Body: Melamine Caps: Copper Alloy (Nickel Plated) Approvals UL 248-19 Recognized (File: E339112) TUV (Cert: J 50505290) Applicable Standards UL 248-1, 248-19 IEC 60269-6 (electrically only) Environmental RoHS Compliant Description REACH The Littelfuse SPFI solar fuse is designed to integrate into Country of Origin Mexico an in-line assembly within a wire harness. It has been US Patent 9,564,281 specifically engineered to protect photovoltaic (PV) systems meeting UL 248-19 standards. The SPFI can be electrically insulated by either overmolding or using heat-shrink. Part Numbering System SPFI xxx T Features/Benefits One-piece cap design, without joints, offers easier wire Series crimping and more streamlined molding No fuse holder required helps save space, time, and Amp Code Package Quantity Refer to Amp Code Column in T = 10 money Ordering Information Table L = 50 20,000 A Interrupting Rating Applications Web Resources Photovoltaic wire harness Downloadable CAD drawings and other technical information: littelfuse.com/SPFI Dimensions mm (in) Recommended Crimping Tool 63.50 T&B Sta-Kon ERG4002 (2.50) 12.26 (0.483) 5.59 Typ. 2 (0.22) 3.56 Typ. 2 (0.140) 10.31 9.53 (0.406) (0.375) Typ. 2 Typ. 2 Littelfuse.com/SPFI 2021 Littelfuse, Inc. 1 of 3 Rev: 111221 POWR-GARD Fuse Datasheet SPFI SERIES IN-LINE SOLAR FUSE Ordering Information SERIES AMPERAGE AMPERE CODE CATALOG NUMBER PRODUCT MARKING PACK QUANTITY ORDERING NUMBER UPC 10 SPFI002.T 07945880898 SPFI 2 002. SPFI002 SPFI 2A 50 SPFI002.L 07945880899 10 SPFI02.5T 07945882604 SPFI 2.5 02.5 SPFI02.5 SPFI 2 1/2A 50 SPFI02.5L 07945882605 10 SPFI003.T 07945880853 SPFI 3 003. SPFI003 SPFI 3A 50 SPFI003.L 07945880854 10 SPFI03.5T 07945879544 SPFI 3.5 03.5 SPFI03.5 SPFI 3 1/2A 50 SPFI03.5L 07945879545 10 SPFI004.T 07945880900 SPFI 4 004. SPFI004 SPFI 4A 50 SPFI004.L 07945880901 10 SPFI005.T 07945880902 SPFI 5 005. SPFI005 SPFI 5A 50 SPFI005.L 07945880903 10 SPFI006.T 07945880855 SPFI 6 006. SPFI006 SPFI 6A 50 SPFI006.L 07945880856 10 SPFI008.T 07945880857 SPFI 8 008. SPFI008 SPFI 8A 50 SPFI008.L 07945880858 10 SPFI010.T 07945880859 SPFI 10 010. SPFI010 SPFI 10A 50 SPFI010.L 07945880860 10 SPFI012.T 07945880861 SPFI 12 012. SPFI012 SPFI 12A 50 SPFI012.L 07945880862 10 SPFI015.T 07945880863 SPFI 15 015. SPFI015 SPFI 15A 50 SPFI015.L 07945880864 10 SPFI020.T 07945880865 SPFI 20 020. SPFI020 SPFI 20A 50 SPFI020.L 07945880866 10 SPFI025.T 07945882668 SPFI 25 025. SPFI025 SPFI 25A 50 SPFI025.L 07945882669 10 SPFI030.T 07945882670 SPFI 30 030. SPFI030 SPFI 30A 50 SPFI030.L 07945882671 Electrical Specifications INTERRUPTING WIRE RANGE NOM COLD WATTS LOSS AT WATTS LOSS AT TOTAL VOLTAGE RATING 2 CU Only RESISTANCE 100 % RATED 80 % RATED CLEARING I t 2 (Solid/Stranded) (ohm) CURRENT (W) CURRENT (W) (A s) 20 kA DC DC 2 2 1000 20 kA 10-12 AWG (6-4 mm ) 0.237 1.59 0.85 5 2 2.5 1000 20 kA 10-12 AWG (6-4 mm ) 0.185 1.84 1.24 7.5 2 3 1000 20 kA 10-12 AWG (6-4 mm ) 0.11 1.50 0.82 7.9 2 3.5 1000 20 kA 10-12 AWG (6-4 mm ) 0.581 1.17 0.61 26 2 4 1000 20 kA 10-12 AWG (6-4 mm ) 0.0519 1.49 0.84 23 2 5 1000 20 kA 10-12 AWG (6-4 mm ) 0.04086 1.47 0.86 43 2 6 1000 20 kA 10-12 AWG (6-4 mm ) 0.0281 1.35 0.77 80 2 8 1000 20 kA 10-12 AWG (6-4 mm ) 0.0178 1.61 0.91 199 2 10 1000 20 kA 10-12 AWG (6-4 mm ) 0.0125 1.76 1.00 401 2 12 1000 20 kA 10-12 AWG (6-4 mm ) 0.00993 1.97 1.11 642 2 15 1000 20 kA 10-12 AWG (6-4 mm ) 0.00799 2.28 1.38 505 2 20 1000 20 kA 10-12 AWG (6-4 mm ) 0.0045 2.81 1.57 1313 2 25 1000 20 kA 10-12 AWG (6-4 mm ) 0.00353 2.98 1.75 2371 2 30 1000 20 kA 10-12 AWG (6-4 mm ) 0.00284 3.92 2.13 2679 Littelfuse.com/SPFI 2021 Littelfuse, Inc. 2 of 3 Rev: 111221 AMPERAGE