MEGA
廬
Fuse
The MEGA
廬
Fuse is designed for high current circuit
protection up to 250 amperes with 鈥淒iffusion Pill
Technology鈥? the Mega Fuse also provides time delay char-
acteristics. Designed and patented by Littelfuse, the MEGA
Fuse is ideal for battery and alternator protection applica-
tion and other heavy gauge cables requiring ultra-high
current protection.
80A
100A
125A
150A
175A
200A
225A
250A
1000
100
TIME IN SECONDS
10
1
.1
.01
10
100
1000
CURRENT IN AMPERES
1.0
10000
100000
脴 8.6
298
32V
LITTELFUSE
R 11.9
MEGA
100A
29.2
50.8
68.6
廬
19.1
PAT .5293147
9.9
TIME-CURRENT CHARACTERISTICS
Opening Time
% of
Maximum
Minimum
Rating
鈥?/div>
4 hrs.
110
1800 s
120 s
135
15 s
1s
200
5s
0.3 s
350
1s
0.1 s
600
Interrupting Rating:
2000A @ 32 VDC
Voltage Rating:
32 VDC
Ambient Temp.:
鈥?0擄C to +125擄C
MEGA
廬
FUSE TABLE
Current
Rating
(A)
80
100
125
150
175
200
225
250
Nom. Cold
Resistance
(m鈩?
0.72
0.55
0.43
0.35
0.27
0.26
0.23
0.19
Typ. Voltage
Drop at
Rated Current
(mV)
87
87
80
92
86
83
82
82
MEGA Fuse Temperature Rerating Curve
120
Rerating Factor (% Rated Current)
115
110
105
100
95
90
85
80
75
70
-40
-20
0
20
40
60
80
100
Ambient Temperature (擄C)
120
140
Part
Number
298080
298100
298125
298150
298175
298200
298225
298250
14
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