Dissmann HEV-P-Q series fuse is 750VDC round tube bolted fast-acting fuse with TUV certification, produced by Deer Electronics for charging pile, energy storage and other industries. The size and performance shall comply with GB13539, IEC60269 and UL248. 125~400A has obtained CCC and TUV certification, aR protection category, breaking capacity: DC50kA (time constant ≤ 15ms).

Dissmann HEV-P-Q series fuse conforms to the RoHS directives of the European Union and China, and has the characteristics of small size, fast fusing, low I²t, high reliability, etc. It is suitable for short circuit and backup protection of semiconductor equipment such as charging piles, frequency converters, rectifiers, inverters, various power supplies, and power batteries, motors, capacitors, conductors, and other equipment and devices. This product has good anti-vibration and flame-retardant performance, and is suitable for rail transit, motor vehicles and other vibration environment applications.
Comparison of parameters between Bussman FWP series fuse and Dissmann HEV-P-Q series fuse:
|
Item |
Parameter |
Dissmann HEV-P-Q series fuse |
Bussman FWP series fuse |
|
1. |
Rated Voltage |
750VDC or Lower |
700VDCor Lower |
|
2. |
Rated Current |
5-800A |
5-800A |
|
3. |
Breaking Capacity |
DC50kA(Time Distant≤15ms) |
DC50kA |
|
4. |
Certifications |
125-400A Obtain CCC and TUVCertifications |
UL Certification |
|
5. |
Protecting Type |
aR |
aR |
Comparison of parameters between FWP series and HEV-P-Q series, taking 300A as an example:

| Brand | Size Code | A±2 | B±1.5 | C±1 | D±1.5 | E±1.5 | F±1 | G±0.5 | H±0.2 | J±1 |
| Dissmann HEV-P-Q-300 |
HT3 | 129 | 36.5 | 72 | 88 | 109 | 10.5 | 25 | 6 | 20.7 |
| Bussman FWP-300A |
—— | 129.29 | 50.8 | 72.14 | 89.66 | 108.71 | 10.41 | 38.1 | 6.35 | 19.81 |
From the dimension diagram, the dimensions of the two devices are basically the same. Compared with Bussmann FWP, Dissmann HEV-P-Q series fuse has a larger installation aperture (88-109mm). In terms of cost, Dissmann HEV-P-Q series fuse is 30% lower than Bussmann FWP series fuse, and the regular delivery time is only 7-14 working days.
Through the comparison and analysis of parameters and dimensions, various performance parameters of Dissmann HEV-P-Q series fuse are the same or better than Bussmann FWP series fuse. Therefore, it is completely feasible to replace Bussmann FWP series fuse with Dissmann HEV-P-Q series fuse pin to pin.
