Datasheet

POWR-GARD® Fuse Datasheet
SPXI SERIES IN-LINE SOLAR FUSE
1500 Vdc • 2.5-30 A (Patent Pending)
Specifications
Voltage Rating: 1500 Vdc
Amperage Rating: 2.5, 3.5, 4, 6, 8, 10, 12, 15, 20, 25, 30 A
Interrupting Ratings:
15 kA (UL 2579)
30 kA (Self-Certified)
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 SPXI 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 SPXI can be electrically insulated
by either overmolding or using approved heat-shrink.
SPXI 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
30,000 A interrupting rating
No fuse holder required
SERIES AMP
SPXI
SPXI
SPXI
Applications
• Photovoltaic wire harness
T = 10
L = 50
PACKAGE
QUANTITY
CATALOG
NUMBER
ORDERING
NUMBER
10
10
50
SPXI03.5
SPXI004
SPXI020
SPXI03.5T
SPXI004.T
SPXI020.L
3.5
4
20
Recommended Crimping Tool
Web Resources
T&B Sta-Kon ERG4002 or equivalent
Weidmüller HTN 21 or equivalent
Download additional technical information and view the
complete solar portfolio: littelfuse.com/spxi
Dimensions mm (in)
81.41
(3.205)
2.5-4 A
3.56
(0.140)
12.26
(0.483)
6-20 A
3.56
(0.140)
25-30 A
littelfuse.com
3.56
(0.140)
12.26
(0.483)
12.26
(0.483)
110.06
(4.333)
110.06
(4.333)
1 of 4
9.53
(0.375)
5.59
(0.220)
9.53
(0.375)
9.53
(0.375)
10.31
(0.406)
5.59
(0.220)
5.59
(0.220)
10.31
(0.406)
13.72
(0.540)
© 2015 Littelfuse POWR-GARD® Products
Rev: 022315
POWR-GARD® Fuse Datasheet
SPXI SERIES IN-LINE SOLAR FUSE
Ordering Information
SERIES
AMPERAGE
AMP CODE
CATALOG NUMBER
PRODUCT MARKING
SPXI
2.5
02.5
SPXI02.5
SPXI 2 1/2 A
SPXI
3.5
03.5
SPXI03.5
SPXI 3 1/2 A
SPXI
4
004.
SPXI004
SPXI 4 A
SPXI
6
006.
SPXI006
SPXI 6 A
SPXI
8
008.
SPXI008
SPXI 8 A
SPXI
10
010.
SPXI010
SPXI 10 A
SPXI
12
012.
SPXI012
SPXI 12 A
SPXI
15
015.
SPXI015
SPXI 15 A
SPXI
20
020.
SPXI020
SPXI 20 A
SPXI
25
025.
SPXI025
SPXI 25 A
SPXI
30
030.
SPXI030
SPXI 30 A
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
SPXI02.5T
SPXI02.5L
SPXI03.5T
SPXI03.5L
SPXI004.T
SPXI004.L
SPXI006.T
SPXI006.L
SPXI008.T
SPXI008.L
SPXI010.T
SPXI010.L
SPXI012.T
SPXI012.L
SPXI015.T
SPXI015.L
SPXI020.T
SPXI020.L
SPXI025.T
SPXI025.L
SPXI030.T
SPXI030.L
07945880950
07945880949
07945880808
07945880149
07945884508
07945884509
07945882658
07945882659
07945882660
07945882661
07945882662
07945882663
07945882664
07945882665
07945882666
07945882667
07945882556
07945882557
07945883059
07945883060
07945883061
07945883062
Electrical Specifications
AMPERAGE
VOLTAGE
INTERRUPTING
RATING
DC
AC
DC*
2.5
1500
–
30 kA
3.5
1500
–
30 kA
4
1500
–
30 kA
6
1500
–
30 kA
8
1500
–
30 kA
10
1500
–
30 kA
12
1500
–
30 kA
15
1500
–
30 kA
20
1500
–
30 kA
25
1500
–
30 kA
30
1500
–
30 kA
WIRE RANGE
CU Only
(Solid/Stranded)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
10-12 AWG
(6-4 mm2)
NOM COLD
RESISTANCE
(ohm)
WATTS LOSS
AT 100% RATED
CURRENT (W)
WATTS LOSS
AT 80% RATED
CURRENT (W)
MELTING
I2t (A2 s) 15 kA
(1500VDC)
TOTAL CLEARING
I2t (A2 s) 15 kA
(1500VDC)
0.099
0.86
0.48
7
16
0.0711
1.56
0.81
25
50
0.0438
0.95
0.54
57
95
0.0576
3.05
1.71
49
75
0.0349
3.26
1.84
121
214
0.0223
3.25
1.82
407
509
0.0163
3.34
1.89
798
951
0.0131
5.27
3.05
299
637
0.0085
5.38
3.14
701
1464
0.0066
6.28
3.55
2209
2548
0.0055
7.60
4.25
3561
4010
* 15 kA per UL 2579
littelfuse.com
2 of 4
© 2015 Littelfuse POWR-GARD® Products
Rev: 022315
POWR-GARD® Fuse Datasheet
SPXI SERIES IN-LINE SOLAR FUSE
Temperature Rerating Curve
(Temperature of Air Immediately Surrounding Fuse)
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
60 Min
60 Max
60 Max
4 Max
Temperature
2.5-30 Stabilization
PERCENT OF UPRATING
AMPERAGE
RATING
Electrical Specification —
Agency Requirements
60
40
20
0
20
40
60
-60˚ C
-76˚ F
-40˚ C
-40˚ F
-20˚ C
-4˚ F
0˚ C
-32˚ F
20˚ C
68˚ F
40˚ C
104˚ F
60˚ C
140˚ F
80˚ C
176˚ F
100˚ C
212˚ F
120˚ C
248˚ F
PERCENT OF DOWNRATING
0
140˚ C
284˚ F
AMBIENT TEMPERATURE
Time Current Curves
1000
900
800
700
600
500
400
400
400
300
300
200
200
200
100
90
80
70
60
50
100
90
80
70
60
50
100
90
80
70
60
50
100
90
80
70
60
50
40
40
40
40
30
30
30
30
20
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
- 2-1/2A
300
- 4A
TIME IN SECONDS
1000
900
800
700
600
500
400
TIME IN SECONDS
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
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
300
- 3-1/2A
200
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
40
30
20
10
9
8
7
6
5
4
CHICAGO, IL. USA
3
TEST VOLTAGE:
SPXI 2.5A - 4A
LITTELFUSE, INC.
2
CURRENT IN AMPERES
FUSE CATALOG NUMBER:
BASIS FOR DATA:
littelfuse.com
TIME CURRENT CHARACTERISTIC CURVES
1
0.9
0.8
0.7
0.6
0.5
TIME CONSTANT/POWER FACTOR:
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
TEST VOLTAGE:
- THIS DATA IS GENERATED IN EXCEL -
FCC01-SPXI
FUSE CATALOG NUMBER:
SPXI 2.5A - 3.5A
BASIS FOR DATA:
DRAWN BY: LLL
DATE:
09/12/2013
REVISION: B
DRAWING NO.:
TIME CONSTANT/POWER FACTOR:
LITTELFUSE, INC.
SHEET 2 OF 3
3 of 4
CHICAGO, IL. USA
DRAWN BY: LLL
DATE:
09/12/2013
REVISION: A
© 2015 Littelfuse POWR-GARD
TIME CURRENT CHARACTERISTIC CURVES
FCC01-SPXI
DRAWING NO.:
- THIS DATA IS GENERATED IN EXCEL -
®
Products
Rev: 022315
SHEET 3 OF 3
POWR-GARD® Fuse Datasheet
SPXI SERIES IN-LINE SOLAR FUSE
Time Current Curves
10
9
8
7
6
5
4
4
3
3
2
2
TIME IN SECONDS
TIME IN SECONDS
10
9
8
7
6
5
1000
900
800
700
600
500
1000
900
800
700
600
500
400
400
300
300
200
200
100
90
80
70
60
50
100
90
80
70
60
50
40
40
30
30
20
20
10
9
8
7
6
5
10
9
8
7
6
5
20 A
15 A
4
4
3
3
2
2
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
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
CURRENT IN AMPERES
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
1000
900
800
700
600
500
1000
900
800
700
600
500
400
400
300
300
200
200
100
90
80
70
60
50
20
10
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
TIME IN SECONDS
100000
90000
80000
70000
60000
50000
20
40000
20
30000
30
20000
40
30
10000
9000
8000
7000
6000
5000
40
4000
6A
3000
100
90
80
70
60
50
2000
8A
100
90
80
70
60
50
1000
900
800
700
600
500
10 A
400
200
300
200
200
300
12 A
100
90
80
70
60
50
400
300
40
400
30
1000
900
800
700
600
500
20
10
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
100
90
80
70
60
50
- 30A
- 25A
40
40
30
30
20
20
10
9
8
7
6
5
10
9
8
7
6
5
4
4
3
3
2
2
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
0.3
0.3
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
0.04
0.04
0.03
0.03
0.02
0.02
0.01
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
CURRENT IN AMPERES
TEST VOLTAGE:
TIME CONSTANT/POWER FACTOR:
FUSE CATALOG NUMBER:
SPXI 2.5A - 30A
BASIS FOR DATA:
littelfuse.com
LITTELFUSE, INC.
CHICAGO, IL. USA
DRAWN BY: LLL
DATE:
09/12/2013
REVISION: B
TIME CURRENT CHARACTERISTIC CURVES
- THIS DATA IS GENERATED IN EXCEL -
DRAWING NO.:
FCC01-SPXI
4 of 4
SHEET 4 OF 4
© 2015 Littelfuse POWR-GARD® Products
Rev: 022315