Ang FN7-12 ay isang bagong uri ng air indoor high-voltage load break switch. Ito ay angkop para sa AC 50Hz, rated boltahe 12kV tatlong-phase AC power system, bilang ang breaking load kasalukuyang at pagsasara short-circuit kasalukuyang.
Uri ng Paglalarawan
Mga Kondisyon sa Paggawa
● Temperatura sa paligid: -25 °C~ 40°C;
● Altitude:
● Relatibong halumigmig: pang-araw-araw na average
● Dapat walang kinakaing unti-unti, pagkasunog at pagsabog na gas o singaw sa site;
● Walang madalas na marahas na vibration.
Mga Teknikal na Parameter
Pangunahing pagtutukoy Tandaan: (-) walang (A) na may Talahanayan 1
| Pangalan | Uri | Modelo | DS | DX | L | R | DA | F |
| Earth switch sa pasukan | Earth switch sa labasan | Interlock aparato | piyus | Fuse ng striker | De-kuryenteng pagbubukas ng aparato | |||
| I-load ang switch ng break | Walang tripper | FN7-12 | - | - | - | - | - | - |
| FN7-12DSL | A | - | A | - | - | - | ||
| FN7-12DXL | - | A | A | - | - | - | ||
| FN7-12R | - | - | - | A | - | - | ||
| FN7-12DSLR | A | - | A | A | - | - | ||
| FN7-12DXLR | - | A | A | A | - | - | ||
| Sa kapansin-pansing tripper | FN7-12RA | - | - | - | - | A | - | |
| FN7-12RAF | - | - | - | - | A | A | ||
| FN7-12DXLRA | - | A | A | - | A | - | ||
| FN7-12DXLRAF | - | A | A | - | A | A |
Mga na-rate na parameter Talahanayan 2
| Na-rate na boltahe kV | Max. boltahe kV | Na-rate ang kasalukuyang A | 1min kapangyarihan dalas makatiis boltahe kV | 4s thermal stability current(RMS) kA | Dynamic na katatagan ng kasalukuyang(peak) kA | Short circuit paggawa ng kasalukuyang kA | Rated breaking kasalukuyang A | Na-rate ang paglipat ng kasalukuyang A |
| 12 | 12 | 400 | 42/48 | 12.5 | 31.5 | 31.5 | 400 | 1000 |
| 630 | 42/48 | 20 | 50 | 50 | 630 | 1000 |
Mga na-rate na parameter ng fuse Table 3
| Modelo | Na-rate na boltahe kV | Rated kasalukuyang A | Na-rate na kasalukuyang ng fuse |
| SDLA*J | 12 | 40 | 6,3,10,16,20,25,31.5,40 |
| SFLA*J | 12 | 100 | 50,63,71,80,100 |
| SALAMIN*J | 12 | 125 | 125 |
A*: may striker.
Pangkalahatang Pagguhit ng Istraktura at Sukat ng Pag-install ( unit mm )
1. Arc Extinguishing Knife 2. Arc Contact Part at Arc Extinguishing Chamber 3. Insulator 4. Base
5. Dynamic Contact Knife 6. Static Contact Knife 7. Spring energy storage device (sa loob ng main axis sleeve) 8. Main knife turning arm
Pagguhit ng 1 FN7-12 load switch outline at laki ng pag-install
1.Arc Extinguishing Knife 2.Arc Contact Part at Arc Extinguishing Chamber 3. Insulator 4. Base
5. Dynamic Contact Knife6.Static Contact Knife 7. Spring energy storage device (sa loob ng main axis sleeve)
8. Earthing Knife 9. Pangunahing kutsilyo na pagsasara ng paikot na braso 10. Earthing knife pagsasara ng pagpihit ng braso
Pagguhit ng 2 FN7-12DXL load switch outline at laki ng pag-install
1.Arc Extinguishing Knife 2.Arc Contact Part at Arc Extinguishing Chamber 3. Insulator 4. Earthing knife
5. Base 6. Dynamic Contact Knife 7* Static Contact Knife 8. Fuse 9* Spring energy storage device (sa loob ng main axis sleeve)
10. Earthing energy-storage spring 11. Interlock device 12. Pangunahing kutsilyo pagsasara at pagbukas ng braso
13. Earthing knife pagsasara at pagbubukas ng pagliko ng braso
Drawing 3 FN7-12DXLR separated type load switch outline at laki ng pag-install
1.Arc Extinguishing Knife 2.Arc Contact Part at Arc Extinguishing Chamber 3. Insulator 4. Base
5. Dynamic Contact Knife 6. Static Contact Knife 7. Spring energy storage device (sa loob ng main axis sleeve)
8. Fuse 9. Pangunahing kutsilyo na pagsasara at pagbubukas ng braso
Drawing 4 FN7-12R separated type load switch outline at laki ng pag-install
1 .Arc Extinguishing Knife 2. Arc Contact Part at Arc Extinguishing Chamber 3. Impact type Fuse4.Insulator Base 5. Earthing knife
6. Base 7. Dynamic Contact Knife 8. Main knife closing spring 9. Static Contact Knife 10. Earthing energy-storage spring
11. Pangunahing kutsilyo na nagbubukas ng tagsibol 12. Interlock na aparato 13. Pangunahing kutsilyo na nagsasara&nagpapaikot na braso m 14.Earthing na kutsilyo na nagsasara at nagbubukas ng nakabukas na braso
Drawing 5 FN7-12DXLRA integrated type load switch outline at laki ng pag-install
1.Arc Extinguishing Knife 2. Arc Contact Part at Arc Extinguishing Chamber
3. Insulator 4. Base 5. Dynamic Contact Knife 6. Static Contact Knife
7. Spring energy storage device (sa loob ng main axis sleeve) 8. Plate
Pagguhit ng 6 FN7-12C load switch outline at laki ng pag-install
1.Arc Extinguishing Knife 2. Arc Contact Part at Arc Extinguishing Chamber
3. Insulator 4. Base5.Dynamic Contact Knife 6. Static Contact Knife
7. Spring energy storage device (sa loob ng main axis sleeve) 8. Fuse 9. Plate
Pagguhit ng 7 FN7-12CR na pinaghihiwalay ng uri ng load switch outline at laki ng pag-install
1.Arc Extinguishing Knife 2. Arc Contact Part at Arc Extinguishing Chamber 3. Impact type fuse 4. Earthling knife
5. Insulator6.Base 7. Pangunahing kutsilyo na pagsasara ng spring 8. Dynamic na Contact Knife 9. Static Contact Knife
10.Earthing energy storage spring 11. Main knife opening spring 12.Plate 13. Drawing 11
Drawing 8 FN7-12CDXLRA integrated type load switch outline at laki ng pag-install
