What's the difference between 500Vdc EV fuses?

500Vdc fuse 100A, 250A, 300A. 400A etc. are very frequently asked in recent days.

Engineers are confusing why Bussmann are with so many different size fuse but with similar performance.

Such as: 

XEV30-300, XEV25-250, XEV25-100

FWH-300C, FWH-250C, FWH-100C

EVK25-100, EVK40-250, EVK40-300

But actually, not only XEV, FWH, EVK series fuses, But: 

EV30-400-C    

EV30-250-C    

EV25-100-C 

After review and comparation, Finally customer select the right fuse.

EV25 and EV30 series

Why?

Let's have a look of the characteristics of each part:

1, XEV25, XEV30 fuse:

1),It's made in US. 

2), Fuse leadtime:12 weeks. 

2，FWH fuse:

1), The price is super good；

2), The dimension is 38mm in 250~400AMP level. is a little bigger; 

3), The leadtime is good:5 weeks, Most of time you can find stock since this is a popular part; 

4), Certification: With UL/CE approval.

5), Made in China.

3, EV25, EV30 fuse

1), Small size, 1~250A, 25mm diamter;

2), Leadtime: 5 weeks. 

3), Made in China.

Sometimes you are focus on leadtime, sometimes you are focus on fuse size, sometimes you are focus on price, no matter which one you need, we can give you a reasonablly best solution.