High Current Fuses
MEGA
®
FUSE RATED 32V
Specifications
Interrupting Rating:
Voltage Rating:
Operating Temperature Range:
Housing Material:
Terminals:
Mounting Torque:
Ref. To:
2000A @ 32 VDC
32 VDC
-40˚C to + 125˚C
PPA (33%/35% GF)
Copper (Silver plated copper available)
M6 or M8 bolts available
8-14 Nm M6
12-18 Nm M8
ISO 8820-5
Ordering Information
Part Number
0298xxx.ZXH
0298xxx.ZXEH
0298xxx.ZXB
0298xxx.ZXA
Also available:
MEGA Clear Top Housing Fuse
Clear Housing Material:
Polyethersulfone (top)
PPA (33%/35% GF) (bottom)
Package Size Plating Bolt Size
500
500
500
500
500
none
none
Ag
none
none
M8
M8
M8
M6
M8
Rating
300 - 500
80 - 250
40 - 250
80 - 500
40 - 250
MEGA Clear Top Housing Material Fuse
0298xxx.UXT
Description
The MEGA
®
Fuse is designed for high current circuit protection up
to 500A with “Diffusion Pill Technology.” The MEGA
®
Fuse also
provides time delay characteristics. Designed and patented by
Littelfuse, the MEGA
®
Fuse is ideal for battery and alternator
protection application and other heavy gauge cables requiring
ultra-high current protection.
Time-Current Characteristics
% of Rating
75
100
135
200
350
600
Temperature Rerating Curve
Opening Time Min / Max (s)
40-250
–/–
14,400 s / –
120 s / 1800 s
1 s / 15 s
0.300 s / 5 s
0.100 s / 1 s
300-500
14,400 s / –
–/–
–/–
1 s / 15 s
0.500 s / 5 s
0.100 s / 1 s
www.littelfuse.com
High Current Fuses
MEGA
®
FUSE RATED 32V
Dimensions
Dimensions in mm
M6: 6.60 (.26")
M8: 8.64 (.34")
Time-Current Characteristic Curves
29.2 (1.15")
10.72 (.422")
300-500A
9.9 (.39")
1.83 (.072 ) 300-500A
Ratings
Part Number
0298040._
1
0298060._
1
Current Rating
40 A
60 A
80 A
100 A
125 A
150 A
175 A
200 A
225 A
250 A
300 A
350 A
400 A
450 A
500 A
Font Color*
–
–
Typ. Voltage Drop
132 mV
119 mV
87 mV
87 mV
80 mV
92 mV
86 mV
83 mV
82 mV
82 mV
74 mV**
68 mV**
64 mV**
60 mV**
58 mV**
Cold Resistance
2.510 mΩ
1.504 mΩ
0.720 mΩ
0.562 mΩ
0.423 mΩ
0.352 mΩ
0.294 mΩ
0.257 mΩ
0.222 mΩ
0.201 mΩ
0.167 mΩ
0.138 mΩ
0.126 mΩ
0.112 mΩ
0.092 mΩ
I2t
8700 A²s
21000 A²s
21500 A²s
31100 A²s
57800 A²s
100000 A²s
168000 A²s
204000 A²s
257000 A²s
389000 A²s
315000 A²s
500000 A²s
610000 A²s
1050000 A²s
2050000 A²s
0298080._
0298100._
0298125._
0298150._
0298175._
0298200._
0298225._
0298250._
0298300._
2
0298350._
2
0298400._
2
0298450._
2
0298500._
2
Note 1: Not mentioned in ISO standards Note 2: Short Circuit Protector only
* 0298xxx.ZXB has white font color on all ratings.
** Voltage Drop measurements for short circuit protectors taken at 75% of rated current.
www.littelfuse.com
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