I-C50 series miniature circuit breaker inobukhulu obuncinci, ubunzima obulula, isakhiwo esitsha kunye nokusebenza okugqwesileyo. Zifakwe kwibhodi yokusasaza izibane kwaye zisetyenziswa kwiindlu zeendwendwe, iibhloko zeeflethi, izakhiwo eziphakamileyo, izikwere, izikhululo zeenqwelo moya, izikhululo zikaloliwe, izityalo kunye namashishini njl.njl., kwiisekethe ze-AC ezingama-240V ipali enye) ukuya kuthi ga kwi-415V (ipali ezi-3) ezingama-50Hz ukukhusela isekethe emfutshane engaphezulu kunye nenkqubo yokukhanyisa yesekethe yokutshintsha i-overin. Umthamo wokuphuka yi-3KA.
Ezi zinto ziyahambelana nemigangatho ye-BS ne-NEMA.
| Inombolo yepole | Ikaliwe ngoku (A) | I-voltage elinganisiweyo (V) | Ukulinganisa ukwenza nokuqhekeza umthamo (KA) | Useto ubushushu bokukhusela | |
| I-BS | I-NEMA | ||||
| 1P | 6,10.15 | AC12 | 5 | 40℃ | |
| 20,30.40 | AC120/240 | 3 | 5 | ||
| 50.60 | AC240/415 | ||||
| 2P | 6,10.15 | AC120/240 | 3 | 40℃ | |
| 20.30,40 | AC240/415 | 3 | 5 | ||
| 3P | 50,60 | AC240/415 | |||
Xa zisetyenziswa kwiibhodi zokusasazwa kwe-crabtree kunye neeyunithi zabathengi, i-polestar kunye ne-C50 MCB zifakelwa kwiireyile ezilungiselelwe ngokukodwa ukuze kube lula ukufakelwa. Ii-polestar MCB zikwafanelekile ukusetyenziswa kwiiphaneli ezenziwe ngokwezifiso, apho kufuneka zifakelwe kwireyile ye-hat esemgangathweni ye-35mm top ukuya kwi-BS5584:
I-EN50022 yowe-1978 enika uqikelelo ngaphakathi kwe-70mm eqhelekileyo.