Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
1 of 11
Specifications
Voltage Rating 1500 V dc
Amperage Rating 50, 63, 80, 100, 125, 160, 200, 250, 315,
350, 400
Interrupting Rating 30 kA
Time Constant ≤ 2 ms
Material Body: Ceramic
End Bells: Copper Alloy
Approvals UL 248-19 Listed (File: E339112, Vol. 4)
IEC 60269-6
Environmental RoHS Compliant
Description
The SPNH series has been designed to meet the emerging
circuit protection needs for 1500 volt photovoltaic systems.
These fuses provide full range protection for all potential
overcurrent conditions that exist in PV applications. Suitable
for PV inverter protection and array combiner applications.
Features/Benefits
• Meets UL and IEC photovoltaic standards
• Compact NH XL sizes
• Low watt loss design
• 1500 V dc rating for high efficiency designs
• Designed to protect against a full range of overcurrents
Applications
• Inverters
• Re-combiner boxes
• Array/Re-combiner application
• PV Inverter dc input protection
Web Resources
• Download technical documents: Littelfuse.com/spnh
SPNH SERIES SOLAR FUSE
1500 V dc • 50-400 A • NH Style
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.
SERIES AMP PACKAGE
QUANTITY
CATALOG
NUMBER
ORDERING
NUMBER
SPNH 50 1SPNH050 SPNH050.X
SPNH 200 1SPNH200 SPNH200.X
SPNH 400 1SPNH400 SPNH400.XXDLMS
*Solid blade option for 1XL case size does not require a case or termination designator for
the part number.
Part Numbering System
SPNH XXX .X X DL
Series
Amp Code
Package Quantity
X = 1
Case Size*
X = 1XL size
2XL = 2XL size
3L = 3L size
Termination*
Blank = solid blade
DL = S blade
DE = U blade
DLMS= S blade w/
Microswitch tab
DEMS= U blade w/
Microswitch tab
Refer to Amp Code
Column in electrical
Specifications table
Recommended Accessories
1XL Case Size
Fuse Holder: LFNH152001CST
Fuse Terminial Covers: LFNH15200FBC
2XL Case Size
Fuse Holder: LFNH154001CST
Fuse Terminial Covers: LFNH15400FBC
3L Case Size
Fuse Holder: LFNH156301CST
Fuse Terminial Covers: LFNH15630FBC
Microswitch
MSSPNH1500X
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
2 of 11
SPNH SERIES SOLAR FUSE
Dimensions Millimeters (in)
Size: 1 XL
Size: 2 XL
Size: 3 L
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
BOL-SPNH000_for
datasheet
Littelfuse
®REVISION DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 10/17/2016
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A10/18/16 516546GCP - RELEASE MRY
B6/6/17 517431ECP/D - REMOVE DATA SHEET REVISION MRY
125
[4.921]
24.00
[0.945]
192
[7.559]
131.2
[5.165]
51.00
[2.008]
51.00
[2.008]
6.00
[0.236]
41.00
[1.614]
9.85
[.388]
Size: 1 XL
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
1OL-SPNH000.X3L_for
datasheet
Littelfuse
®REVISION DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 9/18/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 3L PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
19/18/17 PRELIMINARY DRAWING MRY
126.00
[4.961]
37.00
[1.457]
207
[8.150]
131.2
[5.165]
73.00
[2.874]
73.00
[2.874]
6.00
[0.236]
60.00
[2.362]
Size: 3L
9.85
[.388]
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
1OL-SPNH000.X2XL_for
datasheet
Littelfuse
®REVISION DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 9/18/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 2XL PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
19/18/17 PRELIMINARY DRAWING MRY
126.00
[4.961]
30.00
[1.181]
207
[8.150]
131.2
[5.165]
60.00
[2.362]
60.00
[2.362]
6.00
[0.236]
48.00
[1.890]
Size: 2XL
9.85
[.388]
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
3 of 11
Dimensions Millimeters (in)
Size: 1XL DL Blade
Recommended Torque: 44 Nm*
Size: 1XL DE Blade
Recommended Torque: 44 Nm*
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
BOL-SPNH000.XXDL
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 10/2/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 1XL W/ S-BLADE PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A1/16/18 518725GCP - RELEASE PER EM2929 MRY
B2/16/18 518848ECP/D - ADD TOLERANCES MRY
126.00
4.961]
[
24.00
0.945]
[
196.00
7.717]
[
131.20
5.165]
[
51.00
[2.008]
51.00
[2.008]
6.00
0.236]
[
11.00
0.433]
[
11.00
0.433]
[
162.70
6.406]
[
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
BOL-SPNH000.XXDE
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 10/2/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 1XL W/ U-BLADE PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A1/16/18 518725GCP - RELEASE PER EM2929 MRY
B2/16/18 518848ECP/D - ADD TOLERANCES MRY
126.00
[4.961]
24.00
[0.945]
196.00
[7.717]
131.20
[5.165]
51.00
[2.008]
51.000
[2.008]
6.00
[0.236]
158.40
[6.236]
11.00
[0.433]
(2x)
Size: 2 XL DE Blade
Recommended Torque: 77 Nm*
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
1OL-SPNH000.X2XLDE_for
datasheet
Littelfuse
®REVISION DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 9/18/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 2XLW/ U-BLADE PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
19/18/17 PRELIMINARY DRAWING MRY
30.00
[1.181]
196
[7.717]
131.2
[5.165]
60.00
[2.362]
60.00
[2.362]
6.00
[0.236]
13.00
[0.512]
13.00
[0.512]
164
[6.457]
Size: 2XL DE
126
[4.961]
*recommended torque values are for grade 8 steel hardware
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
4 of 11
SPNH SERIES SOLAR FUSE
Dimensions Millimeters (in)
Size: 2 XL DL Blade
Recommended Torque: 44 Nm*
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
1OL-SPNH000.X2XLDL_for
datasheet
Littelfuse
®REVISION DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 9/18/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 2XLW/ S-BLADE PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
19/18/17 PRELIMINARY DRAWING MRY
30.00
[1.181]
196
[7.717]
131.2
[5.165]
60.00
[2.362]
60.00
[2.362]
6.00
[0.236]
11.00
[0.433]
11.00
[0.433]
15.00
[0.591]
165
[6.516]
Size: 2XL DL
126
[4.961]
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
1OL-SPNH000.X3LDE_for
datasheet
Littelfuse
®REVISION DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 9/18/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 3L W/ U-BLADE PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
19/18/17 PRELIMINARY DRAWING MRY
37.00
[1.457]
196
[7.717]
131.2
[5.165]
73.00
[2.874]
73.00
[2.874]
6.00
[0.236]
13.00
[0.512]
164
[6.457]
13.00
[0.512]
Size: 3L DE
126
[4.961]
Size: 3 L DE Blade
Recommended Torque: 77 Nm*
Size: 3 L DL Blade
Recommended Torque: 44 Nm*
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
1OL-SPNH000.X3LDL_for
datasheet
Littelfuse
®REVISION DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 9/18/2017
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 3L W/ S-BLADE PHOTOVOLTAIC FUSE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
19/18/17 PRELIMINARY DRAWING MRY
37.00
[1.457]
196
[7.717]
131.2
[5.165]
73.00
[2.874]
73.00
[2.874]
6.00
[0.236]
11.00
[0.433]
165.5
[6.516]
11.00
[0.433]
Size: 3L DL
126
[4.961]
*recommended torque values are for grade 8 steel hardware
165.5
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
5 of 11
Dimensions Millimeters (in)
Size: 1 XL DL Blade w/ Microswitch Tab
Recommended Torque: 44 Nm*
Size: 1 XL DE Blade w/ Microswitch Tab
Recommended Torque: 44 Nm*
Size: 2 XL DL Blade w/ Microswitch Tab
Recommended Torque: 44 Nm*
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
A
OL-SPNH000.XXDLMS
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 4/18/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 1XL W/ S-BLADES PHOTOVOLTAIC FUSE W/ MICROSWITCH
INTERFACE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519469GCP - RELEASE PER EM3026 MRY
126.00
[4.961]
24.00
[0.945]
196.00
[7.717]
131.20
[5.165]
51.00
[2.008]
51.00
[2.008]
6.00
[0.236]
162.70
[6.406]
11.00
[0.433]
11.00
[0.433]
9.85
[0.388]
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
A
OL-SPNH.X2XLDLMS
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 4/18/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 2XL W/ S-BLADE PHOTOVOLTAIC FUSE W/ MICROSWITCH
INTERFACE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519469GCP - RELEASE PER EM3026 MRY
126.00
[4.961]
30.00
[1.181]
196.00
[7.717]
131.20
[5.165]
60.00
[2.362]
60.00
[2.362]
6.00
[0.236]
165.50
[6.516]
11.00
[0.433]
11.00
[0.433]
9.85
[0.388]
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
A
OL-SPNH000.XXDEMS
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 4/18/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 1XL W/ U-BLADES PHOTOVOLTAIC FUSE W/ MICROSWITCH
INTERFACE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519469GCP - RELEASE PER EM3026 MRY
126.00
[4.961]
24.00
[0.945]
196.00
[7.717]
131.20
[5.165]
51.00
[2.008]
51.00
[2.008]
6.00
[0.236]
158.40
[6.236]
11.00
[0.433]
(2x)
9.85
[0.388]
*recommended torque values are for grade 8 steel hardware
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
6 of 11
Dimensions Millimeters (in)
Size: 2 XL DE Blade w/ Microswitch Tab
Recommended Torque: 77 Nm*
Size: 3 L DL Blade w/ Microswitch Tab
Recommended Torque: 44 Nm*
Size: 3 L DE Blade w/ Microswitch Tab
Recommended Torque: 77 Nm*
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
A
OL-SPNH.X2XLDEMS
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 4/18/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 2XL W/ U-BLADE PHOTOVOLTAIC FUSE W/ MICROSWITCH
INTERFACE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519469GCP - RELEASE PER EM3026 MRY
126.00
[4.961]
30.00
[1.181]
196.00
[7.717]
131.20
[5.165]
60.00
[2.362]
60.00
[2.362]
6.00
[0.236]
164.00
[6.457]
13.00
[0.512]
(2x)
9.85
[0.388]
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
AOL-SPNH.X3LDEMS
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 4/18/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 3L W/ U-BLADE PHOTOVOLTAIC FUSE W/ MICROSWITCH
INTERFACE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519469GCP - RELEASE PER EM3026 MRY
126.00
[4.961]
131.20
[5.165]
73.00
[2.874]
73.00
[2.874]
164.00
[6.457]
196.00
[7.717]
13.00
[0.512]
(2x)
37.00
[1.457]
6.00
[0.236]
9.85
[0.388]
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
AOL-SPNH.X3LDLMS
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
MYORK 4/18/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
1500VDC SIZE 3L W/ S-BLADE PHOTOVOLTAIC FUSE W/ MICROSWITCH
INTERFACE OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519469GCP - RELEASE PER EM3026 MRY
126.00
[4.961]
131.20
[5.165]
73.00
[2.874]
73.00
[2.874]
165.50
[6.516]
196.00
[7.717]
11.00
[0.433]
37.00
[1.457] 11.00
[0.433]
9.85
[0.388]
6.00
[0.236]
*recommended torque values are for grade 8 steel hardware
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
7 of 11
SPNH SERIES SOLAR FUSE
Electrical Specifications
AMPERAGE
RATING
VOLTAGE
RATING
INTERRUPTING
RATING NOM COLD
RESISTANCE
(mΩ)
MELTING
I2t (30 kA)
(1500 Vdc)
TOTAL CLEARING
I2T (A2s) 30 kA
(1500 Vdc)
WATTS LOSS AT 100%
RATED CURRENT (W)
WATTS LOSS
AT 70% RATED
CURRENT (W)
SIZE
DC DC
50 1500 30 kA 3.95 800 3,500 14 6
1 XL
63 1500 30 kA 2.96 1,500 6,000 14 6.2
80 1500 30 kA 2.36 5,000 15,000 16 7
100 1500 30 kA 1.47 10,000 26,000 19 8.3
125 1500 30 kA 1.07 15,000 37,000 22 9.7
160 1500 30 kA 0.85 19,000 48,000 30 13.2
200 1500 30 kA 0.63 22,000 75,000 32.5 13.7
200 1500 30 kA 0.66 42,000 75,000 36 15.9 2 XL
250 1500 30 kA 0.51 73,000 132,000 44 19.3
315 1500 30 kA CONSULT FACTORY
3 L350 1500 30 kA 0.33 75,000 350,000 61 23.7
400 1500 30 kA 0.28 85,000 450,000 67 26.8
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
8 of 11
SPNH SERIES SOLAR FUSE
CONTACT
CASE SIZE
AMPERAGE
RATING
AMP CODE
CATALOG
NUMBER
ORDERING
NUMBER UPC
MICROSWITCH
COMPATIBLE
CATALOG
NUMBER
MICROSWITCH
COMPATIBLE
ORDERING
NUMBER
MICROSWITCH
COMPATIBLE
UPC
AGENCY
APPROVALS
UL
SOLID
BLADE
1XL
50 A 050 SPNH050 SPNH050.X 07945804294 SPNH050 SPNH050.X 07945804294 •
63 A 063 SPNH063 SPNH063.X 07945804295 SPNH063 SPNH063.X 07945804295 •
80 A 080 SPNH080 SPNH080.X 07945804319 SPNH080 SPNH080.X 07945804319 •
100 A 100 SPNH100 SPNH100.X 07945804359 SPNH0100 SPNH0100.X 07945804359 •
125 A 125 SPNH125 SPNH125.X 07945804433 SPNH0125 SPNH0125.X 07945804433 •
160 A 160 SPNH160 SPNH160.X 07945804443 SPNH0160 SPNH0160.X 07945804443 •
200 A 200 SPNH200 SPNH200.X 07945804552 SPNH0200 SPNH0200.X 07945804552 •
2XL
200 A 200 SPNH200-2XL SPNH200.X2XL 07945819771 SPNH0200-2XL SPNH200.X2XL 07945819771 •
250 A 250 SPNH250-2XL SPNH250.X2XL 07945819772 SPNH0250-2XL SPNH250.X2XL 07945819772 •
3L
315 A 315 SPNH315-3L SPNH315.X3L 07945821115 SPNH0315-3L SPNH315.X3L 07945821115 •
350 A 350 SPNH350-3L SPNH350.X3L 07945821116 SPNH0350-3L SPNH350.X3L 07945821116 •
400 A 400 SPNH400-3L SPNH400.X3L 07945821117 SPNH0400-3L SPNH400.X3L 07945821117 •
DL
BLADE
(S)
1XL
50 A 050 SPNH050-DL SPNH050.XXDL 07945819843 SPNH050-DLMS SPNH050.XXDLMS 07945823539 •
63 A 063 SPNH063-DL SPNH063.XXDL 07945819844 SPNH063-DLMS SPNH063.XXDLMS 07945823539 •
80 A 080 SPNH080-DL SPNH080.XXDL 07945819845 SPNH080-DLMS SPNH080.XXDLMS 07945823543 •
100 A 100 SPNH100-DL SPNH100.XXDL 07945819846 SPNH0100-DLMS SPNH0100.XXDLMS 07945823545 •
125 A 125 SPNH125-DL SPNH125.XXDL 07945819847 SPNH0100-DLMS SPNH0125.XXDLMS 07945823547 •
160 A 160 SPNH160-DL SPNH160.XXDL 07945819848 SPNH0160-DLMS SPNH0160.XXDLMS 07945823549 •
200 A 200 SPNH200-DL SPNH200.XXDL 07945819849 SPNH0200-DLMS SPNH0200.XXDLMS 07945823553 •
2XL
200 A 200 SPNH200-2XLDL SPNH200.X2XLDL 07945819850 SPNH0200-2XLDLMS SPNH0200.X2XLDLMS 07945823551 •
250 A 250 SPNH250-2XLDL SPNH250.X2XLDL 07945819851 SPNH0250-2XLDLMS SPNH0250.X2XLDLMS 07945823555 •
3L
315 A 315 SPNH315-3LDL SPNH315.X3LDL 07945821118 SPNH0315-3LDLMS SPNH0315.X3LDLMS 07945823557 •
350 A 350 SPNH350-3LDL SPNH350.X3LDL 07945821119 SPNH0350-3LDLMS SPNH0350.X3LDLMS 07945823559 •
400 A 400 SPNH400-3LDL SPNH400.X3LDL 07945821120 SPNH0400-3LDLMS SPNH0400.X3LDLMS 07945823561 •
DE
BLADE
(U)
1XL
50 A 050 SPNH050-DE SPNH050.XXDE 07945819852 SPNH050-DEMS SPNH050.XXDEMS 07945823538 •
63 A 063 SPNH063-DE SPNH063.XXDE 07945819853 SPNH063-DEMS SPNH063.XXDEMS 07945823540 •
80 A 080 SPNH080-DE SPNH080.XXDE 07945819854 SPNH080-DEMS SPNH080.XXDEMS 07945823542 •
100 A 100 SPNH100-DE SPNH100.XXDE 07945819855 SPNH0100-DEMS SPNH0100.XXDEMS 07945823544 •
125 A 125 SPNH125-DE SPNH125.XXDE 07945819856 SPNH0125-DEMS SPNH0125.XXDEMS 07945823546 •
160 A 160 SPNH160-DE SPNH160.XXDE 07945819857 SPNH0160-DEMS SPNH0160.XXDEMS 07945823548 •
200 A 200 SPNH200-DE SPNH200.XXDE 07945819858 SPNH0200-DEMS SPNH0200.XXDEMS 07945823552 •
2XL
200 A 200 SPNH200-2XLDE SPNH200.X2XLDE 07945819859 SPNH0200-2XLDEMS SPNH0200.X2XLDEMS 07945823550 •
250 A 250 SPNH250-2XLDE SPNH250.X2XLDE 07945819860 SPNH0250-2XLDEMS SPNH0250.X2XLDEMS 07945823554 •
3L
315 A 315 SPNH315-3LDE SPNH315.X3LDE 07945821121 SPNH0315-3LDEMS SPNH0315.X3LDEMS 07945823556 •
350 A 350 SPNH350-3LDE SPNH350.X3LDE 07945821122 SPNH0350-3LDEMS SPNH0350.X3LDEMS 07945823558 •
400 A 400 SPNH400-3LDE SPNH400.X3LDE 07945821123 SPNH0400-3LDEMS SPNH0400.X3LDEMS 07945823560 •
Ordering Information
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
9 of 11
Temperature Rerating Curve (Temperature of Air Immediately Surrounding Fuse)
N
N
SPNH SERIES SOLAR FUSE
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
10 of 11
- THIS DATA IS GENERATED IN EXCEL -
10000
9000
8000
7000
6000
5000
4000
3000
2000
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
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
10000
9000
8000
7000
6000
5000
4000
3000
2000
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
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
100000
90000
80000
70000
60000
50000
40000
30000
20000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
- 50A
BASIS FOR DATA:
TEST VOLTAGE: TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET
TIMECURRENT CHARACTERISTICCURVES
LITTELFUSE,INC.
CHICAGO,IL.USA
LLL
09/20/2017
A
2 OF 2
FCC01-SPNH
SPNH 50A - 400A
PROSPECTIVER.M.SCURRENTINAMPERE
MELTING(PRE‐ARCING)TIMEINSECONDS
- 63A
- 80A
- 100A
- 125A
- 160A
- 200A
- 250A
- 315A
- 350A
- 400A
Time Current Curve
SPNH SERIES SOLAR FUSE
Littelfuse.com © 2019 Littelfuse, Inc.
Rev: 073019
POWR-GARD® Fuse Datasheet
11 of 11
SPNH SERIES SOLAR FUSE
Dimensions Millimeters (in)
MSSPNH1500X
Microswitch
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
AOL-MSSPNH1500
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
myork 4/24/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
SPNH MICROSWITCH OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519539GCP - RELEASE PER EM3023 MRY
51.00
[2.008]
31.90
[1.256]
NOTES:
RATED CURRENT: ~5A
RATED VOLTAGE: ~125V-~250V
CHICAGO, ILLINOIS 60631
3RD ANGLE
PROJECTION
AOL-MSSPNH1500
Littelfuse
®
REVISION
DRWG NO.
TITLE
B
DRW DATE
GRAMS/PIECE
FINISH GOOD WT
myork 4/24/2018
MATL SPEC FINISH
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
DENOTES CRITICAL CHARACTERISTICS.
DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE
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
SHOWN ON DRAWING AND INITIALLY LOCATED TO
ALLOW FOR MAXIMUM TOOL LIFE.
CPK
CP
SHEET 1 OF 1
SCALE
SPNH MICROSWITCH OUTLINE
NTS
REVISION
REV DATE DESCRIPTION
A6/25/18 519539GCP - RELEASE PER EM3023 MRY
51.00
[2.008]
31.90
[1.256]
NOTES:
RATED CURRENT: ~5A
RATED VOLTAGE: ~125V-~250V
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products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer.