POWR-GARD® Fuse Datasheet SPFI SERIES IN-LINE SOLAR FUSE 1000 Vdc • 2-30 A (Patent Pending) Specifications Voltage Rating 1000 Vdc 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 2579 Recognized (File: E339112) Environmental RoHS Compliant REACH Country of Origin Mexico Description Part Numbering System The Littelfuse SPFI solar fuse is designed to integrate into an in-line assembly within a wire harness. The fuse provides photovoltaic (PV) protection that meets UL 2579 for photovoltaic applications. The SPFI can be electrically insulated by either overmolding or using approved heat-shrink. SPFI xxx T Series Amp Code Features/Benefits • • • • Package Quantity Refer to Amp Code Column in Ordering Information Table UL 2579 Recognized Meets IEC 60269-6 electrical performance requirements 20,000 A Interrupting Rating No fuse holder required Applications • Photovoltaic wire harness T = 10 L = 50 SERIES AMP PACKAGE QUANTITY CATALOG NUMBER ORDERING NUMBER SPFI SPFI SPFI 2 3.5 20 10 10 50 SPFI002 SPFI03.5 SPFI020 SPFI002.T SPFI03.5T SPFI020.L Web Resources Downloadable CAD drawings and other technical information: littelfuse.com/spfi Recommended Crimping Tool T&B Sta-Kon ERG4002 or equivalent Weidmüller HTN 21 or equivalent Dimensions mm (in) 63.50 (2.50) 12.26 (0.483) 5.59 (0.22) ø 3.56 (0.140) 10.31 (0.406) 9.53 (0.375) littelfuse.com 1 of 3 © 2016 Littelfuse POWR-GARD® Products Rev: 050916 POWR-GARD® Fuse Datasheet SPFI SERIES IN-LINE SOLAR FUSE Ordering Information SERIES AMPERAGE AMP CODE CATALOG NUMBER PRODUCT MARKING SPFI 2 002. SPFI002 SPFI 2A SPFI 2.5 02.5 SPFI02.5 SPFI 2 1/2A SPFI 3 003. SPFI003 SPFI 3A SPFI 3.5 03.5 SPFI03.5 SPFI 3 1/2A SPFI 4 004. SPFI004 SPFI 4A SPFI 5 005. SPFI005 SPFI 5A SPFI 6 006. SPFI006 SPFI 6A SPFI 8 008. SPFI008 SPFI 8A SPFI 10 010. SPFI010 SPFI 10A SPFI 12 012. SPFI012 SPFI 12A SPFI 15 015. SPFI015 SPFI 15A SPFI 20 020. SPFI020 SPFI 20A SPFI 25 025 SPFI025 SPFI 25A SPFI 30 030 SPFI030 SPFI 30A PACK QUANTITY ORDERING NUMBER UPC 10 50 10 50 10 50 10 50 10 50 10 50 10 50 10 50 10 50 10 50 10 50 10 50 10 50 10 50 SPFI002.T SPFI002.L SPFI02.5T SPFI02.5L SPFI003.T SPFI003.L SPFI03.5T SPFI03.5L SPFI004.T SPFI004.L SPFI005.T SPFI005.L SPFI006.T SPFI006.L SPFI008.T SPFI008.L SPFI010.T SPFI010.L SPFI012.T SPFI012.L SPFI015.T SPFI015.L SPFI020.T SPFI020.L SPFI025.T SPFI025.L SPFI030.T SPFI030.L 07945880898 07945880899 07945882604 07945882605 07945880853 07945880854 07945879544 07945879545 07945880900 07945880901 07945880902 07945880903 07945880855 07945880856 07945880857 07945880858 07945880859 07945880860 07945880861 07945880862 07945880863 07945880864 07945880865 07945880866 07945882668 07945882669 07945882670 07945882671 AMPERAGE Electrical Specifications VOLTAGE INTERRUPTING RATING WIRE RANGE CU Only (Solid/Stranded) NOM COLD RESISTANCE (ohm) WATTS LOSS AT 100% RATED CURRENT (W) WATTS LOSS AT 80% RATED CURRENT (W) TOTAL CLEARING I2t 2 (A s) 20 kA DC AC DC 2 1000 – 20 kA 10-12 AWG (6-4 mm2) 0.237 1.59 0.85 5 2.5 1000 – 20 kA 10-12 AWG (6-4 mm ) 0.185 1.84 1.24 7.5 3 1000 – 20 kA 10-12 AWG (6-4 mm ) 0.11 1.50 0.82 7.9 3.5 1000 – 20 kA 10-12 AWG (6-4 mm2) 0.581 1.17 0.61 26 4 1000 – 20 kA 10-12 AWG (6-4 mm2) 0.0519 1.49 0.84 23 5 1000 – 20 kA 10-12 AWG (6-4 mm2) 0.04086 1.47 0.86 43 6 1000 – 20 kA 10-12 AWG (6-4 mm2) 0.0281 1.35 0.77 80 8 1000 – 20 kA 10-12 AWG (6-4 mm ) 0.0178 1.61 0.91 199 10 1000 – 20 kA 10-12 AWG (6-4 mm ) 0.0125 1.76 1.00 401 12 1000 – 20 kA 10-12 AWG (6-4 mm ) 0.00993 1.97 1.11 642 15 1000 – 20 kA 10-12 AWG (6-4 mm ) 0.00799 2.28 1.38 505 20 1000 – 20 kA 10-12 AWG (6-4 mm ) 0.0045 2.81 1.57 1313 25 1000 – 20 kA 10-12 AWG (6-4 mm2) 0.00353 2.98 1.75 2371 30 1000 – 20 kA 10-12 AWG (6-4 mm2) 0.00284 3.92 2.13 2679 littelfuse.com 2 2 2 2 2 2 2 2 of 3 © 2016 Littelfuse POWR-GARD® Products Rev: 050916 POWR-GARD® Fuse Datasheet SPFI SERIES IN-LINE SOLAR FUSE Electrical Specification — Agency Requirements Temperature Rerating Curve AMPERAGE RATING OPENING TIME (MINUTES) 100% of Amp Rating per UL 113% of Amp Rating per IEC 135% of Amp Rating per UL 145% of Amp Rating per IEC 200% of Amp Rating per UL 2-30 Temperature Stabilization 60 Min 60 Max 60 Max 4 Max PERCENT OF UPRATING (Temperature of Air Immediately Surrounding Fuse) 60 40 20 0 0 40 60 -60°C -76°F Time Current Curve (2-12 A) -40°C -40°F -20°C -4°F 0°C 32°F 20°C 40°C 60°C 68°F 104°F 140°F AMBIENT TEMPERATURE 80°C 176°F 100°C 212°F 120°C 248°F PERCENT OF DOWNRATING 20 140°C 284°F Time Current Curve (15-30 A) 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 - 2A 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 1000 900 800 700 600 500 1000 900 800 700 600 500 1000 900 800 700 600 500 400 - 2.5A 400 400 400 300 - 3A 300 300 300 200 - 3.5A 200 200 200 100 90 80 70 60 50 100 90 80 70 60 50 100 90 80 70 60 50 40 40 30 30 - 4A - 5A 100 90 80 70 60 50 - 6A - 8A - 10A 40 - 12A - 15A 40 - 20A 30 - 25A 20 20 20 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 10 9 8 7 6 5 4 4 4 4 3 3 3 3 2 2 2 2 TIME IN SECONDS TIME IN SECONDS 30 20 - 30A 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 1 0.9 0.8 0.7 0.6 0.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.02 0.02 0.02 0.02 0.01 0.01 0.01 0.01 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 TEST VOLTAGE: DRAWN BY: LLL DATE: 08/10/2012 REVISION: C DRAWING NO.: 1000V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER: SPFI 2A - 30A BASIS FOR DATA: DRAWN BY: LLL DATE: 08/10/2012 REVISION: C LITTELFUSE, INC. CHICAGO, IL. USA SHEET 2 OF 2 TIME CURRENT CHARACTERISTIC CURVES FCC01-SPFI000 - DATA GENERATED IN EXCEL - littelfuse.com 40 CHICAGO, IL. USA 30 FUSE CATALOG NUMBER: SPFI 2A - 30A TIME CURRENT CHARACTERISTIC CURVES 20 CURRENT IN AMPERES BASIS FOR DATA: LITTELFUSE, INC. 10 9 8 7 6 5 TIME CONSTANT/POWER FACTOR: 4 1000V 3 TEST VOLTAGE: 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 1000 900 800 700 600 500 400 300 200 100 90 80 70 60 50 40 30 20 10 9 8 7 6 5 4 3 2 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 CURRENT IN AMPERES DRAWING NO.: SHEET 2 OF 2 FCC01-SPFI000 - DATA GENERATED IN EXCEL - 3 of 3 © 2016 Littelfuse POWR-GARD® Products Rev: 050916