Datasheet

MegaVAL® fuses are compliant with ISO 8820-5
Standard, recommended for the protection of heavy
cross-section wires with heavy current duty.
MegaVAL® are made of Zinc alloy (100 ÷ 250 A)
and Copper (500 A), to optimize the performance to
the nominal current.
Breaking capacity: 2000[A]
Voltage rating: 32[Vdc]
Ambient Temperature: -40°C to +125°C
MTA/ISO MegaVAL® operating time limits
% In min [s] max [s]
1,00 14400
(a)
-
1,35 120
(a)
1800
(a)
2,00 1 15
3,50 0,3
(b)
5
6,00 0,1
(a)
1
(a)
(a)
Not applicable for 500 A.
(b)
0,5 for 500 A
MegaVAL® Re-Rating Curve.
Test module ISO
70%
75%
80%
85%
90%
95%
100%
105%
110%
-40 -20 0 20 40 60 80 100 120
Ambient Temperature [°C]
Rated Current
MegaVAL® Operating Time
@23°C test module ISO
0,1
1
10
100
1000
0 500 1000 1500
Current [A]
Time [s]
100
125
150
175
200
225
250
500
CURRENT
RATING [A]
VOLTAGE
DROP @
current
rating [mV]
CABLE
SIZE [mm
2
]
I
2
t
100 86 219583
125 85
16
353125
150 93 463167
175 80
25
303521
200 81 416250
225 100
35
296042
250 80 50 637500
500 80 70 n.d
MEGAVAL
®
BLADE TYPE FUSE