Umzimba wefuse wenziwe ngeetyhubhu zeporcelain ezinamandla aphezulu ze-95% AL203. Iisanti ze-quartz ezicocekileyo kakhulu kunye namaphepha esilivere/ubhedu acocekileyo angama-99.99% avaliwe kwaye adityaniswe ngokuqinileyo ngaphakathi kwityhubhu. Umphezulu woqhagamshelwano ugqunywe ngesilivere.
| Imodeli | Ubungakanani befusi (mm) | Iipali | I-voltage elinganisiweyo (V) | Umlinganiselo wangoku (A) |
| Isiseko se-RT18-32 DC | 10X38 | 1/2/3/4 | DC1000V | 32 |
| CJPV-32L | 10X85 | 1 | DC1500V | 32 |