Products, information, drawings, specifications and reference numbers (hereafter “contents”) discussed herein are for reference purposes only. All contents herein are provided on an “as is” basis, without warranties
of any kind. The contents discussed herein remain the sole and exclusive property of MTA S.p.A. and shall not be copied, translated in whole or in part without MTA S.p.A. prior written consent. No license of any
patent, copyright, mask work, trademark or any other intellectual property right is granted under this document, by implication, estoppel or otherwise. Contents may be modified and changed by MTA S.p.A. without
any notice. For updates or additional information about MTA products, please contact your nearest MTA office. All brand names, trademarks and registered trademarks belong to their respective owners.
www.mta.it
BOLT-DOWN 12/24 V | TECHNICAL DATA SHEET | VERSION 00 – DECEMBER 2018
copper megaVaL
®
Size
[A]
Color
coding
Expected
voltage drop
[mV]
ISO cable
size [mm
2
]
I
2
t*
[A
2
s]
Average cold
resistance**
[m]
100
Yellow 99 16 56000 0.6
125
Green 99 16 96000 0.5
150
Orange 100 25 144000 0.4
175
White
99 25 296000 0.3
200
Blue 97 35 396000 0.3
225
Beige 95 35 552000 0.2
250
Pink 96 50 628000 0.2
300
Grey 75 70 880000 0.2
400
Violet 75 70 1028000 0.1
500
Brown 80 70 1892000 0.1
Breaking capacity 2000 A
Voltage rating 32 V
Ambient temp. + overheating -40 °C to +125 °C
Body material PA66-GF25
Blade material Copper
Blade coating Tin plated
Rivets material Steel
Mounting screw M8
Tightening torque 12±1 Nm
Vibration class compliant with ISO 16750-3 Test IV
Compliant with
ISO 8820-5 (type SF 51)
REACH, RoHS
GENERAL DESCRIPTION
MELTING TIME AND CURVE
RATINGS
OVERALL DIMENSIONS
RERATING CURVE
110
105
100
95
90
85
80
75
70
-40 -20 0 20 40 60 80 100 120
Rerating factor [% I
R
]
Ambient temperature [°C]
16.3
M8
R1.5
18.8
68.6
50.8
29.2
Dimensions in mm.
A
B
Operating time limits:
Fuse size A [mm] B [mm]
100 -175 A 0.8 10.4
200-250 A 1.0 10.6
300-500 A 1.8 10.6
1000
100
10
1
0.1
0 200 400
Current [A]
Time [s]
600 800 1000 1200 1400 1600
% IR Min [s] Max [s] Min [s] Max [s]
75 14400
100 14400
135 120
1800
200 1 15 1 15
350 0.3 5 0.5 5
600* 0.1 1 0.1 1
80 to 250 A 300 to 500 A
* Not for ≥ 350 A.
Melting time graph at 23°C on test module ISO.
*Calculated from breaking capacity test.
**At ambient temperature = 24 ±1 °C, injection time = 0.5 sec.