Fuse characteristics, 34 appendices – MoTeC PDM30 User Manual
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34
Appendices
Fuse Characteristics
Max current setting [A] Trip time multiplier
4
76%
6
84%
8
92%
10
100%
15
120%
20
140%
Example:
For 25 A current where max current setting is 5 A:
Over current multiplier: 25 A / 5 A = 5
From Graph: Trip time (at 10 A) is approx. 1 second
From Table: Trip time multiplier (at 5 A) is approx. 80%
Trip time (at 5 A) = 1 x 80% = 0.8 seconds
Trip time versus over current multiplier at 10A
0.10
1.00
10.00
100.00
1
2
3
4
5
6
7
8
9
10
Over current multiplier
Trip time
(s)