| Muhimmiya | MV Switchgear Accessories |
| Model NO. | GYM7DC Nafsi Ƙarshen Kirkiya na Faduwar Kasa ga PV |
| Raitidu kọ̀ọ̀kan | 320A |
| Rated Lightning Impulse Withstand Voltage | 12kV |
| Siri | GYM7DC |
GYM7DC series DC molded case circuit breakers are suitable for circuits with rated operating voltage up to DC1500V, rated insulation voltage up to 1500V, rated impulse withstand voltage up to 12kV, and rated current of 10A~630A. They can be installed vertically or horizontally and can withstand environments such as humid air, salt spray, oil mist, mold, etc
Na bi da na iya amsa GYM7DC series DC molded case circuit breaker (wanda zan iya kiran shi a nan daidai a cikin bayanan) tana da rated working voltage up to DC1500V, rated insulation voltage of 1500V, rated impulse withstand voltage up to 12kV, and rated current of 10A~630A.
2. Wannan circuit breaker yana iya amfani a cikin tsari ko kuma a cikin hagu.
3. Wannan product ta da takamaddun da ke dace da kungiyoyin:
4. IEC 60947-1 and GB/T 14048.1 General Provisions
5. IEC 60947-2 and GB/T 14048.2 Low voltage circuit breakers.
| Model | GYM7DC-320 | GYM7DC-400/630 | GYM7DC-1600 | |||||
| Rated Current | 63、80、100、125、140、160、180、200、225、250、315、320 | 225、250、320、350、400、500、630 | 800A、1000A、1250A、1500A、1600A | |||||
| Number of poles | 2P | 2P | 3P | 4P | ||||
| Rated Working Voltage Ue DC | 1500 | |||||||
| Rated Insulation Voltage Ui（V） | 1800 | 1800 | ||||||
| Rated Impulse withstand Voltage UImp | 12 | 12 | ||||||
| Power Frequency withstand Voltage（1min）（kV) | 3500 | 3500 | ||||||
| Rated Ultimates Short-Circuit Breaking Capacity Icu(V) | DC 1200V | DC 1500V | DC 750V | DC 1000V | DC 750V | DC 1000V | DC 1200V | DC 1500V |
| Rated Service Short-Circuit Breaking Capacity Ics (kA) | 35kA | 20kA | 85kA | 50kA | 50kA | 30kA | 15kA | 10kA |
| Mechanical Life（kA） | 4000 | |||||||
| Electrical Life（times） | 10000 | 500 | ||||||
| Arc Distance（times） | 50、0（with arc extinguishing chamber) | 100 | ||||||
| Basic Dimension W*L*H(mm) | 90*215*136 | 110*275*152 | 3P:210*340*244 4P:280*340*244 | |||||
| Instantaneous release(mm) | 5In or 10In | |||||||
| Reference Ambient Temperature | 50℃ | |||||||
Dukkan farko suna cikin har zuwa na biyu: taimakawa da kyau don tasirin kirkiya, kyakkyawan kwalbar tushen hankali, tattalin zama da amfani da aiki:
① Farkar taimakawa da kyau don tasirin kirkiya: GYM7DC an sanya ne don cikin tattalin DC, tare da tasirin kirkiya mai kyau da 1500VDC, bana da muhimmanci a gudanar tushen hankali a wata tsaye, kuma yana neman hankalin tushen hankali mai kyau; masu hankali na AC na musamman suna da tasirin kirkiya mai kyau da 400VAC/690VAC, suna amfani da muhimmin tsaye na AC don kwalbar tushen hankali, kuma ba za su iya tabbatar da tushen PV DC mai kyau ba.
② Farkar kyakkyawan kwalbar tushen hankali: GYM7DC an amfani da hotuna da tushen hankali da manyan kofin + hotuna da tushen hankali mai girma, ya kamata ya kwalba tushen hankali na DC da kyau da 100kA; masu hankali na AC na musamman suna da hotuna da tushen hankali mai basashe kuma ba sa shi da kyakkyawan kwalbar tushen hankali da DC, idan aka amfani da shi da zama lafiya zai iya haifar da tushen hankali da take dace da yanayi da yanayi.
③ Farkar tattalin zama: A kan muhimmiyar PV, GYM7DC an yi jami'ar matsayin babban hankali da kuma babban hankali na tushen karfi, kuma kurba na babban hankali na abubuwa ya kamata ya iya tabbatar da tushen karfi na PV; masu hankali na AC na musamman suna da babban hankali da kuma babban hankali na tushen karfi kawai, bana da muhimmin PV.
④ Farkar amfani da aiki: GYM7DC yana da ma'anar amfani a cikin tushen DC na PV, kafin inke da inverter da kuma tushen DC na tattalin energy storage; masu hankali na AC na musamman suna da ma'anar amfani a cikin tushen tattalin AC na takalmi da tashar al'adu, kuma ba su iya tabbatar da tushen PV DC mai kyau ba.
Gaskiya, GYM7DC High Voltage Molded Case Circuit Breaker for PV yana shi ne aiki mai girma da aka sanya don inganci masu hanyar da PV DC, tare da rarrabe kammali na aiki na 1500VDC, tsari na kammalai na 100A~1250A, da kuma kammali mai yawa na 100kA. Wannan aikin ya haɗa duka manyan abubuwa kamar inganci masu karfi, inganci masu kammalai, inganci masu sauya da kuma inganci mai takamakawa. An samun wannan aiki da tsarin modular da kuma kayan aiki mai yawa, zai iya amfani a cikin inganci masu kammalai na DC na makarantun surajin arziki, PV systems da PV energy storage systems. Zai iya amfani da PV inverters da kuma combiner boxes don tabbatar da aiki mai yawa na PV systems a kan yanayi na ayyuka.
