POWR-GARD® Fuse Datasheet
PRELIMINARY DATASHEET
SPXN SERIES SOLAR FUSE
1500 Vdc • 200 – 400 A
Description
The Littelfuse SPXN solar array fuse is designed
specifically for 200-400 A 1500 Vdc applications.
Features/Benefits
• NH3L package size
• Designed to meet UL 2579, IEC 60269-6
• 30,000 A interrupting rating
Specifications
Voltage Rating: 150 0 Vdc
Amperage Rating: 200, 250, 300, 315, 350, 400
Max. Interrupting Rating: 30 kA
Time Constant ≤ 1ms
Material: Body: Melamine
Caps: Copper Alloy
Approvals: UL 2579 (pending)
IEC 60269-6 (pending)
Environmental: RoHS Compliant
Reach
Country of Origin: Mexico
Part Numbering System
SPXN xxx X
Applications
• Inverters
• Re-combiner boxes
Web Resources
Download technical documents: littelfuse.com/spxn
Dimensions Inches (mm)
200 – 400 A
1.49
(37.8)
4.65
(118.1)
4.85
(123.2)
4.95
(125.7)
6.72
(170.7)
Series
Amp Code
Column in Ordering
Information Table
SERIES AMP
SPXN 315 1 SPXN315 SPXN315.X
SPXN 400 1 SPXN400 SPXN400.X
(14.7)
8.071
(205.0)
.58
1.61
(40.9)
.703
(17.9)
PACKAGE
QUANTITY
2.880
(73.2)
.53
(13.5)
.48
(12.2)
Package Quantity
X = 1Refer to Amp Code
CATALOG
NUMBER
.24
(6.1)
.79
(20.1)
ORDE RING
NUMBER
SPECIFICATIONS SUBJECT TO CHANGE
littelfuse.com © 2014 Littelfuse POWR-GARD® Products
1 of 3
Rev: 020314
POWR-GARD® Fuse Datasheet
PRELIMINARY DATASHEET
SPXN SERIES SOLAR FUSE
Ordering Information
SERIES AMPERAGE AMP CODE CATALOG NUMBER PACK QUANTITY ORDERING NUMBER UPC
SPXN 200 200 SPXN200 1 SPXN200.X 07945880827
SPXN 250 250 SPXN250 1 SPXN250.X 07945880828
SPXN 300 300 SPXN300 1 SPXN300.X 07945880829
SPXN 315 315 S PXN 315 1 SPX N315.X 07945880830
SPXN 350 350 SPXN350 1 SPXN350.X 07945880831
SPXN 400 400 SPXN400 1 SPXN400.X 07945880832
Electrical Specifications
VOLTAGE
AMPERAGE
200 1500 30 kA 0.482 33.76 18.03 12.86 190791 305267 • • • •
250 1500 30 kA 0.402 42.20 22.54 16.08 297635 476217 • • • •
300 1500 30 kA 0.345 50.64 27.05 19.30 428595 685753 • • • •
315 1500 30 kA 0.329 5 3.17 28.40 20.27 471455 754329 • • • •
350 1500 30 kA 0.300 59.02 31.52 22.50 579890 927825 • • • •
400 1500 30 kA 0.266 67.28 35.93 25.66 759656 1215451 • • • •
*pending
INTERRUPTING
RATING
DC DC
NOM COLD
RESISTANCE
(ohm)
WATTS LOSS
AT 100% RATED
CURRENT (W)
WATTS LOSS
AT 80% RATED
CURRENT (W)
WATTS LOSS
AT 70% RATED
CURRENT (W)
MELTING
2
t (A2s) 15 kA
I
(1500Vdc)
TOTAL CLEARING
I2t (A2s) 15 kA
(1500 Vdc)
AGENCIES
UL* IEC* ROHS REACH
Electrical Specification – Agency Requirements
OPENING TIME (MINUTES)
AMPERAGE
200
250-400 12 Ma x
100% of Amp
Rating per UL
Temperature
Stabilization
113% of Amp
Rating per IEC
180 Min 120 M ax 180 M ax
135% of Amp
Rating per UL
145% of Amp
Rating per IEC
200% of Amp
Rating per UL
10 Max
SPECIFICATIONS SUBJECT TO CHANGE
littelfuse.com © 2014 Littelfuse POWR-GARD® Products
2 of 3
Rev: 020314
POWR-GARD® Fuse Datasheet
-
315A
9
9
PRELIMINARY DATASHEET
SPXN SERIES SOLAR FUSE
Temperature Derating Curve (Temperature of Air Immediately Surrounding Fuse)
60
40
20
PERCENT OF UPRATING
0
0
20
40
60
PER
CENT OF DOW
NRATIN
G
Time Current Curve
-60°C -40°C -20°C 0°C 20°C 40°C 60°C 80°C 100°C 120°C 140°C
-76°F -40°F -4°F 32°F 68°F 104°F 140°F 176°F 212°F 248°F 284°F
AMBIENT TEMPERATURE
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
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
TIMEINSECONDS
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
20
10
8
7
6
5
4
3
2
1
20
10
90807060504030
- 400A
- 350A
- 300A
- 250A
- 200A
90807060504030
100
200
500
400
300
CURRENTINAMPERES
2000
1000
900
800
700
600
8000
7000
6000
5000
4000
3000
30000
20000
10000
9000
40000
50000
60000
70000
80000
90000
100000
1000
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
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
SPECIFICATIONS SUBJECT TO CHANGE
littelfuse.com © 2014 Littelfuse POWR-GARD® Products
3 of 3
Rev: 020314
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