POWR-GARD Fuse Datasheet SPNH SERIES SOLAR FUSE 1500 V dc 50400 A NH Style Specifications Voltage Rating 1500 V dc Amperage Rating 50, 63, 80, 100, 125, 160, 200, 250, 315, 350, 400 A Interrupting Rating 30 kA, 50 kA Time Constant 2 ms Material Body: ceramic End Bells: copper alloy Approvals UL 248-19 Listed (File: E339112) Applicable Standards UL 248-1, 248-19 IEC 60269-6 Environmental RoHS Compliant Part Numbering System SPNH XXX .X X DL Termination* Series Blank = solid blade w/Microswitch tab Amp Code DL = S blade Refer to Amp Code DE = U blade Column in Ordering Information table DLMS = S blade w/Microswitch tab DEMS = U blade Package Quantity w/Microswitch tab X = 1 Case Size* X = 1XL size Description 2XL = 2XL size The SPNH series has been designed to meet the emerging 3L = 3L size circuit protection needs for 1500 volt photovoltaic systems. PACKAGE CATALOG ORDERING These fuses provide full range protection for all potential SERIES AMP QUANTITY NUMBER NUMBER overcurrent conditions that exist in PV applications. Suitable SPNH 50 1 SPNH050 SPNH050.X for PV inverter protection and array combiner applications. SPNH 200 1 SPNH200 SPNH200.X SPNH 400 1 SPNH400 SPNH400.XXDLMS Features/Benefits *Solid blade option for 1XL case size does not require a case or termination designator for Compact NH XL sizes the part number. Low watt loss design Recommended Accessories 1500 V dc rating for high efficiency designs Designed to protect against a full range of overcurrents 1XL Case Size Fuse Holder: LFNH152001CST Fuse Terminial Covers: LFNH15200FBC Applications Inverters 2XL Case Size Re-combiner boxes Fuse Holder: LFNH154001CST Array/Re-combiner application Fuse Terminial Covers: LFNH15400FBC PV Inverter dc input protection 3L Case Size Fuse Holder: LFNH156301CST Web Resources Fuse Terminial Covers: LFNH15630FBC Download technical documents: Littelfuse.com/spnh Microswitch MSSPNH1500X Look for this logo to indicate products that are used in solar applications. Visit our website Littelfuse.com/solar for the latest updates on approvals, certifications, and new products. Littelfuse.com/spnh 2021 Littelfuse, Inc. 1 of 11 Rev: 2-B-083021 POWR-GARD Fuse Datasheet SPNH SERIES SOLAR FUSE REVISION Dimensions Millimeters (in) REV DATE DESCRIPTION A 10/18/16 516546GCP - RELEASE MRY B 6/6/17 517431ECP/D - REMOVE DATA SHEET REVISION MRY C 2/16/18 518752ECP/B - ADD TOLERANCES MRY D 10/20/20 522884ECP/C - UPDATE TO NEW CAP DESIGN MRY Size: 1 XL w/ Microswitch Tab 126.00 4.961 9.85 3.00 0.388 0.118 51.00 24.00 2.008 0.945 6.00 131.20 0.236 5.165 51.00 REVISION 192.00 2.0R0E8 V DATE DESCRIPTION 1 9/18/17 PRELIMINARY DRAWING MRY 7.559 Size: 2XL DENOTES CRITICAL CHARACTERISTICS. Size: 2 XL w/ Microswitch Tab DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE CPK DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT 9.85 AND TRACKING TO BE DEFINED IN 126.00 .388 LITTELFUSE INSPECTION INSTRUCTIONS. 4.961 DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS CP SHOWN ON DRAWING AND INITIALLY LOCATED TO ALLOW FOR MAXIMUM TOOL LIFE. B MATL SPEC FINISH DRW DATE SCALE FINISH GOOD WT 48.00 10/17/2016 MYORK NTS GRAMS/PIECE 60.00 1.890 30.00 UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN 2.362 1.181 BRACKETS ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 3RD ANGLE PROJECTION TITLE 6.00 1500VDC PHOTOVOLTAIC FUSE OUTLINE 0.236 131.2 60.00 REVISION DRWG NO. SHEET 1 OF 1 5.165 2.362 Littelfuse CHICAGO, ILLINOIS 60631 D OL-SPNH000 207 8.150 REVISION REV DATE DESCRIPTION 1 9/18/17 PRELIMINARY DRAWING MRY DENOTES CRITICAL CHARACTERISTICS. Size: 3L DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE CPK DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN Size: 3 L w/ Microswitch Tab LITTELFUSE INSPECTION INSTRUCTIONS. 9.85 DENOTES CP DIMENSIONS, -MINIMUM CP VALUE .388 MUST BE WITHIN THE DIMENSIONAL LIMITATIONS CP 126.00 SHOWN ON DRAWING AND INITIALLY LOCATED TO 4.961 ALLOW FOR MAXIMUM TOOL LIFE. B MATL SPEC FINISH DRW DATE SCALE FINISH GOOD WT 9/18/2017 MYORK NTS GRAMS/PIECE UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN BRACKETS ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 60.00 3RD ANGLE 73.00 PROJECTION 2.362 2.874 37.00 1.457 TITLE 1500VDC SIZE 2XL PHOTOVOLTAIC FUSE OUTLINE REVISION DRWG NO. SHEET 1 OF 1 Littelfuse OL-SPNH000.X2XL for CHICAGO, ILLINOIS 60631 1 datasheet 6.00 0.236 131.2 5.165 73.00 2.874 207 8.150 DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE CPK DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN LITTELFUSE INSPECTION INSTRUCTIONS. DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS CP SHOWN ON DRAWING AND INITIALLY LOCATED TO Littelfuse.com/spnh ALLOW FOR MAXIMUM TOOL LIFE. B MATL SPEC FINISH 2021 Littelfuse, Inc. 2 of 11 DRW DATE SCALE FINISH GOOD WT Rev: 2-B-083021 9/18/2017 MYORK NTS GRAMS/PIECE UNLESS OTHERWISE SPECIFIED, DIMENSIONS ARE IN MILLIMETERS, DIMENSIONS IN BRACKETS ARE INCHES DIMENSIONING AND DO NOT INCLUDE PLATING. TOLERANCING TO BE INTERPRETED IN ACCORDANCE WITH ANSI Y14.5M-1994 3RD ANGLE PROJECTION TITLE 1500VDC SIZE 3L PHOTOVOLTAIC FUSE OUTLINE REVISION DRWG NO. SHEET 1 OF 1 Littelfuse OL-SPNH000.X3L for CHICAGO, ILLINOIS 60631 1 datasheet