| Chapa | Switchgear parts |
| Namba ya Modeli | AR fuse link DNT -R1L Series |
| volts maalum | AC 1300V |
| Mkato wa viwango | 630-1250A |
| Uchunguzi wa uchambuzi | 100kA |
| Siri | DNT -R1L |
aR fuse link inayojulikana kama Semiconductor protection fuses, fast fuses
Semiconductor protection fuses, zinazojulikana kama fast fuses au high-speed fuses, ni vifaa vya umeme vilivyoundwa kusaidia kuzuia vifaa vya semiconductor kama diodes, transistors, na vifaa vingine vya umeme visivyo vya kutathmini kutokana na overcurrent conditions. Vifaa hivi vinajulikana kwa uwezo wao wa kupiga mkondo wa umeme haraka sana wakati kutokea hitilafu au overcurrent event.
Fast fuses huendelezwa katika matumizi ambapo upunguzo wa muda wa usalama dhidi ya short-circuit au overcurrent conditions unahitajika kubwa ili kuzuia madai kwa vifaa vya semiconductor visivyo vya kutathmini. Vifaa hivi vina sifa zenye muda mfupi wa majibu na current ratings sahihi ili kuhakikisha kuwa wanaweza kutoa usalama bora.
Ni muhimu kuchagua fast fuse sahihi kwa ajili ya matumizi yoyote, kwa sababu kutumia aina isiyosafi au rating isiyo sahihi inaweza kutoa usalama usio asilimia au kutarajiha kuvunjika kwa fuse.
1.Mfano wa Kufanya Kazi: Semiconductor protection fuses hufanya kazi kulingana na sifa za thermal na magnetic protection. Wakati current unapofika juu ya rated value ya fuse, huchanganya element ya fuse, ambayo hii ya mwisho huiharibika na kufunga circuit.
2.Aina za Semiconductor Protection Fuses:
Fast-Acting Fuses: Vifaa hivi vina muda mfupi wa majibu na vimeundwa kusaidia kuzuia vifaa vya semiconductor visivyo vya kutathmini kutokana na events za muda mfupi na current ikuu.
Ultra-Fast Fuses: Vifaa hivi vina muda wa majibu wa haraka zaidi kuliko fast-acting fuses na huendelezwa katika matumizi zenye uhakika zaidi.
3.Current Ratings: Semiconductor protection fuses zinapatikana kulingana na current-carrying capacity yao. Ni muhimu kutuma fuse unae current rating unayosawasawa ama unayoelekea kwenye nominal operating current ya vifaa vya semiconductor vilivyoprotekta.
4.Voltage Ratings: Voltage rating ya fuse inapaswa kuwa sawasawa au chini ya voltage ya circuit iliyoprotekta. Kutumia fuse unae voltage rating chini inaweza kuongeza hatari.
5.Mazingira ya Matumizi:
Circuit Design: Uundaji wa circuit usio sahihi, ikiwa pamoja na placement ya fuses na vifaa vingine vya usalama, ni muhimu ili kuhakikisha usalama bora.
Coordination with Other Protection Devices: Fuses mara nyingi hutumika pamoja na vifaa vingine vya usalama kama vile circuit breakers ili kutoa usalama kamili.
6.Standards and Compliance: Semiconductor protection fuses zinaelekezwani kwa standards na certifications za industry. Kuwa sahihi kwamba fuse uliyochaguli ana patikanavyo na standards zinazohusika ni muhimu kwa ajili ya usalama na performance.
7.Fuse Sizing and Selection: Uchaguzi wa kutosha unahitaji kutathmini mambo kama vile aina ya vifaa vya semiconductor, fault currents yanayotarajiwa, temperature ya mazingira, na mazingira mengine.
8.Failure Modes and Reliability: Kuelewa failure modes za fuses na sifa zao za reliability ni muhimu kwa ajili ya usalama wa muda mrefu.
9.Testing and Maintenance: Ujaribishaji na utunzaji wa muda ni muhimu ili kuhakikisha kuwa fuses zinafanya kazi kama yale yaliyotarajiwa.
| Model ya bidhaa | ukubwa | Rated voltage V | Rated current A | Rated breaking capacity kA |
| DNT1-R1L-160 | 1 | AC 1300 | 160 | 100 |
| DNT1-R1L-200 | 200 | |||
| DNT1-R1L-250 | 250 | |||
| DNT1-R1L-315 | 315 | |||
| DNT1-R1L-350 | 350 | |||
| DNT1-R1L-400 | 400 | |||
| DNT1-R1L-450 | 450 | |||
| DNT1-R1L-500 | 500 | |||
| DNT1-R1L-550 | 550 | |||
| DNT2-R1L-350 | 2 | 350 | ||
| DNT2-R1L-400 | 400 | |||
| DNT2-R1L-450 | 450 | |||
| DNT2-R1L-500 | 500 | |||
| DNT2-R1L-550 | 550 | |||
| DNT2-R1L-630 | 630 | |||
| DNT2-R1L-710 | 710 | |||
| DNT2-R1L-800 | 800 | |||
| DNT3-R1L-630 | 3 | 630 | ||
| DNT3-R1L-710 | 710 | |||
| DNT3-R1L-800 | 800 | |||
| DNT3-R1L-900 | 900 | |||
| DNT3-R1L-1000 | 1000 | |||
| DNT3-R1L-1100 | 1100 | |||
| DNT3-R1L-1250 | 1250 |