Imashini igabanya umuvuduko w’amashanyarazi ya CJD (izwi hano nka "circuit breaker") ikoreshwa mu gukora no gucika kw’amashanyarazi cyangwa ibikoresho muri sisitemu y’amashanyarazi ya AC 50Hz cyangwa 60Hz ifite voltage ya 250V n’umuvuduko w’amashanyarazi wa 1A-100A, kandi ikoreshwa no kurinda umuvuduko mwinshi n’umuvuduko muke w’amashanyarazi na moteri. Imashini igabanya umuvuduko w’amashanyarazi ikoreshwa cyane kuri mudasobwa n’ibikoresho byayo byo mu mpande, igikoresho cy’inganda cyikora, ibikoresho by’itumanaho, ingufu z’itumanaho n’ibikoresho by’amashanyarazi bya UPS bidahinduka, ndetse n’imodoka za gari ya moshi, sisitemu y’amashanyarazi ku bwato, sisitemu yo kugenzura ascenseur n’ibikoresho by’amashanyarazi byimukanwa n’ibindi. Cyane cyane ikoreshwa ahantu hafite ingaruka cyangwa guhindagurika. Imashini igabanya umuvuduko w’amashanyarazi ikurikiza amahame ya IEC60934: 1993 na C22.2.
1.Ubushyuhe bw'ikirere: Igipimo cyo hejuru ni +85°C naho igipimo cyo hasi ni -40°C.
2.Ubutumburuke ntibugomba kuba burebure bwa metero 2000.
3. Ubushyuhe: Ubushyuhe bw'umwuka aho icyuma gikoresha amashanyarazi gishyirwa n'aho gikoreshwa ntibugomba kurenza 50% iyo ubushyuhe buri +85°C, Ubushyuhe buri hasi cyane mu kwezi kw'imvura nyinshi ntibugomba kurenza 25°C, kandi ubushyuhe ntarengwa bw'ukwezi ntibugomba kurenza 90%.
4. Akamashini gatuma amashanyarazi ahagarara gashobora gushyirwa ahantu hagaragara kandi hagahindagurika cyane.
5.Mu gihe cyo gushyiraho, ubugari bw'agace gatanga amashanyarazi gafite ubuso buhagaze ntibugomba kurenza 5°.
6. Akamashini gakoresha amashanyarazi gakwiye gukoreshwa ahantu hatarimo ibyuma biturika kandi hatarimo gazi cyangwa ivumbi (harimo n'ivumbi ritwara amashanyarazi) rishobora kwangiza ibyuma cyangwa kwangiza ubushyuhe.
7. Akamashini gahagarika urujya n'uruza rw'amashanyarazi kagomba gushyirwa ahantu hatari imvura cyangwa urubura.
8. Icyiciro cyo gushyiraho icyuma gihagarika uruziga ni icyiciro cya ll.
9. Igipimo cy'umwanda cy'icyuma gihagarika uruziga ni urwego rwa 3.
Ishobora gukemura neza ibibazo by’imiterere y’amashanyarazi, urugero nk’ubuhanga bwo hejuru, ubwizerwe, n’igiciro. Ifite ibyiza byo gukoresha amashanyarazi agabanya ubushyuhe nta ngaruka mbi zabyo. Dukurikije ubushyuhe buhamye, amashanyarazi agabanya ubushyuhe ntahinduka bitewe n’impinduka z’ubushyuhe bw’ibidukikije. Uburyo bwo kumenya amashanyarazi agabanya ubushyuhe bwa hydraulic busubiza gusa impinduka z’amashanyarazi mu ruziga rwo kurinda. Nta ruziga rwo "gushyushya" rufite kugira ngo rutinde guhangana n’umubyigano mwinshi, kandi nta n’uruziga rwo "gukonjesha" rufite mbere yo kongera gufunga nyuma yo kongera gutakaza umubyigano. Iyo irenze 125% by’agaciro k’umutwaro wose, izagwa. Igihe cyo gutinda cy’amashanyarazi agabanya ubushyuhe kizaba kirekire bihagije kugira ngo hirindwe ko amazi agwa nabi bitewe n’ihindagurika ritangiza ako kanya. Ariko iyo habayeho ikibazo, amashanyarazi agabanya ubushyuhe agomba kwihuta cyane. Igihe cyo gutinda giterwa n’ubushyuhe bw’amazi agabanya ubushyuhe n’urugero rw’amashanyarazi arenga umubyigano, kandi biratandukanye kuva kuri milisegonda nyinshi kugeza ku minota myinshi. Kubera ubuziranenge bwo hejuru, ubwizerwe, intego rusange, n’imikorere ikomeye, amashanyarazi agabanya ubushyuhe bwa hydraulic ni igikoresho cyiza cyo kurinda amashanyarazi no guhindura ingufu mu buryo bwikora.
| Icyitegererezo cy'ibicuruzwa | CJD-30 | CJD-50 | CJD-25 |
| Igipimo cy'amashanyarazi | 1A-50A | 1A-100A | 1A-30A |
| Voltage ifite amanota | AC250V 50/60Hz | ||
| Nimero y'umugozi | 1P/2P/3P/4P | 1P/2P/3P/4P | 2P |
| Uburyo bwo gufunga insinga | Ubwoko bwa bolt, ubwoko bwa push-pull | Ubwoko bwa bolt | Ubwoko bwo gusunika no gukurura |
| Uburyo bwo gushyiraho | Gushyiramo mbere y'aho ibintu bihurira | Gushyiramo mbere y'aho ibintu bihurira | Gushyiramo mbere y'aho ibintu bihurira |
| Umuvuduko w'urugendo | Igihe cyo gukora (S) | ||||
| 1Mu | 1.25In | 2Mu | 4Mu | 6Mu | |
| A | Nta rugendo | Sekondi 2~sekondi 40 | 0.5sekondi ~ 5sekondi | 0.2sekondi ~ 0.8sekondi | 0.04sekondi ~ 0.3sekondi |
| B | Nta rugendo | 10s~90s | 0.8sekondi ~ 8sekondi | 0.4sekondi ~ 2sekondi | 0.08sekondi ~ 1sekondi |
| C | Nta rugendo | Imyaka ya 20 ~ 180 | Amasegonda 2~amasegonda 10 | 0.8sekondi ~sekondi 3 | 0.1sekondi ~ 1.5sekondi |