Littelfuse SPXN Series - Manual (Page 3)

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Rev: 020314
POWR-GARD ® Fuse Datasheet
3 of 3
-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
60
40
20
0
PER
CENT
OF
UPR
ATIN
G
0
20
40
60
PER
CENT
OF DOW
NR
ATIN
G
Temperature Derating Curve (Temperature of Air Immediately Surrounding Fuse)
SPXN SerieS Solar FUSe
1000
900
800
700
600
500
1000
900
800
700
600
500
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
400
300
200
100
90
80
70
400
300
200
100
90
80
70
- 400A
- 350A
- 315A
60
50
40
30
20
10
9
60
50
40
30
20
10
9
- 315A
- 300A
- 250A
- 200A
9
8
7
6
5
4
3
2
9
8
7
6
5
4
3
2
TIME
IN
SECONDS
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
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
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
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
CURRENT IN AMPERES
BASIS FOR DATA:
TEST VOLTAGE: 1500V TIME CONSTANT/POWER FACTOR: FUSE CATALOG NUMBER:
DRAWN BY:
DATE:
REVISION:
DRAWING NO.: SHEET TIME CURRENT CHARACTERISTIC CURVES
LITTELFUSE, INC.
CHICAGO, IL. USA
LLL
03/21/2013
A
1 OF 1
FCC01-SPXV
SPXV 200A - 400A
- DATA GENERATED IN EXCEL -
Time Current Curve
PRELIMINARY DATASHEET
SPECIFICATIONS SUBJECT TO CHANGE