Vigezo kuu vya Kiufundi
Sifa Kuu
| Maelezo | Mfano | DS | DS | L | R | RA | F | Maombi | |
| Kwa upande unaoingia | Kwa upande unaotoka | kuingiliana | fuse | Fuse na mshambuliaji | Elec.OFF Vifaa | ||||
| Bila fuse ya mshambuliaji | FN7-12 | - | - | - | - | - | - | mstari | |
| FN7-12DSL | △ | - | △ | - | - | - | |||
| FN7-12DXL | - | △ | △ | ||||||
| FN7-12R | - | - | - | △ | - | - | transfoma | ||
| FN7-12DSLR | △ | - | △ | △ | - | - | |||
| FN7-12DXLR | - | △ | △ | △ | - | - | |||
| Pamoja na fuse ya mshambuliaji | FN7-12RAF | - | - | - | - | △ | △ | transfoma | |
| FN7-12DSLRAF | △ | - | △ | - | △ | △ | |||
| FN7-12DXLRAF | - | △ | △ | - | △ | △ | |||
Vigezo Vilivyokadiriwa(KV)
| Kiwango cha Voltage(KV) | 12 | ||
| Kiwango cha Isulation | Ustahimilivu wa Marudio ya Nishati (Dakika 1) | Awamu hadi awamu/awamu hadi dunia 42 | Awamu hadi awamu/awamu hadi dunia 48 |
| Umeme wa Impulse Volt kuhimili | Awamu hadi awamu/awamu hadi dunia 75 | Awamu hadi awamu/awamu hadi dunia 85 | |
| Iliyokadiriwa Sasa | 400 | 630 | |
| Hali Imara ya Joto | 12.5 | 20 | |
| Inayobadilika ya Sasa | 31.5 | 50 | |
| Mzunguko Mfupi wa Kuvunja Sasa | 31.5 | 50 | |