High Current Fuses
ZCASE Single MEGA/Starter Fuse
The Single ZCASE is a Minimal Footprint Bolt Down Fuse with a wide rating range up to
600A in the same packaging size.TheTime Current characteristic is similar to the well known
MEGA Design and can used as full wire protection until 250A. Higher ratings mostly used for
typically Starter Fuse application as a protector fuse.The fuse design is optimized for a one
bolt connection M6 (40A - 250A) or M8 (300A - 600A) and can used directly on a battery post
or busbar connection. Littelfuse is offering a complete solution for the necessary stud and
different busbar connections including some battery clamps.
Specifications
Voltage Rating:
32V DC
Interrupting Rating:
Recommended Environmental Temperature:
Terminal Material:
Housing Material:
Insulating Tube:
2000A @ 32V VDC
-40 to 125°C
Tin plated Copper
PPA-GF33HS (U.L. 94 Flammability rating - HB)
Out of ceramic
ZCASE Single Mega/Starter Fuse
Mounting Torque M6:
Mounting Torque M8:
9.8Nm 1.4Nm
14Nm 2Nm
Time-Current Characteristic Curves
See note on next page regarding Test Set-Up
Ordering Information
Time-Current Characteristics
Opening Time Min / Max (s)
% of
10000
1000
100
10
Package
Size
Part Number
Rating
Rating
40A - 250A 300A - 500A
600A
3298XXX.ZXSTA
3298XXX.Z
300 - 600
40 - 250 SHUNT
40 - 600
480
480
100
50
– / –
14,400 / ∞
120 / 1800
1 / 15
14,400 / ∞
– / –
14,400 / ∞
– / –
100
135
200
350
500
600
3298XXX.H
– / –
– / –
1 / 40
0.3 / 5
– / –
1 / 40
0.3 / 5
0.1 / 1
– / –
0.3 / 5
– / –
0.1 / 1
0.1 / 1
1
Ratings
Part number
Current
Rating (A)
Test Cable
Size (mm2)
Typ. Voltage
Drop (mV)
Typ. Cold
Resistance (mΩ)
Typ. I²t
(A2s)
0.1
3298040.Z / 3298040.H
3298060.Z / 3298060.H
3298080.Z / 3298080.H
3298100.Z / 3298100.H
3298125.Z / 3298125.H
3298150.Z / 3298150.H
3298175.Z / 3298175.H
3298200.Z / 3298200.H
3298225.Z / 3298225.H
3298250.Z / 3298250.H
3298300.ZXSTA / 3298300.H
3298350.ZXSTA / 3298350.H
3298400.ZXSTA / 3298400.H
3298500.ZXSTA / 3298500.H
3298600.ZXSTA / 3298600.H
3298900.Z /
40
60
4
86
83
80
88
71
83
82
92
86
88
292
302
302
342
362
-
1.53
0.98
0.72
0.57
0.39
0.32
0.26
0.23
0.18
0.17
0.13
0.10
0.08
0.07
0.05
-
5,000
18,000
15,500
31,000
45,000
75,000
140,000
235,000
95,000
160,000
310,000
570,000
870,000
1,550,000
3,000,000
-
0.01
6
10
100
CURRENT [A]
1000
10000
80
10
16
16
25
25
35
35
50
35
35
50
50
50
50
100
10000
1000
100
10
125
150
175
200
225
250
3001
3501
4001
5001
6001
SHUNT
1
0.1
Note 1 STARTER fuses
Note 2 Voltage Drop taken at 50% of Rated Current
0.01
10
100
CURRENT [A]
1000
10000
The typical I2t is an average value calculated from the breaking capacity tests by using the melting time before the arcing occurs.
REV07272021
Littelfuse® products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for
surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse®
product documentation. Warranties granted by Littelfuse® shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse® documentation. Littelfuse® shall not be liable for any claims or
damages arising out of products used in applications not expressly intended by Littelfuse® as set forth in applicable Littelfuse® documentation. The sale and use of Littelfuse® products is subject to Littelfuse Terms and Conditions of
Sale, unless otherwise agreed by Littelfuse®
.
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