This 7H38L Series DC automobile fuse is applicable to the rated DC voltage of 800V (750V) below, in the rated current of 300A-400A line, the breaking capacity is 50KA, widely used in the charger.
This kind of high whiteness alumina trihydrate can be soluble in strong base or acid solution.It is stable in the environment under 200 Celsius degree .But it can decompose into alumina and release water when the temperature is going high above that tempe