Chotsekera ma circuit cha C50 series miniature chili ndi kukula kochepa, kulemera kopepuka, kapangidwe katsopano komanso magwiridwe antchito abwino kwambiri. Chimayikidwa mu bolodi logawa magetsi ndipo chimagwiritsidwa ntchito m'nyumba za alendo, nyumba zazitali, nyumba zazitali, mabwalo a ndege, malo okwerera sitima, zomera ndi mabizinesi ndi zina zotero, m'ma AC circuit 240V single pole) mpaka 415V (3 pole) 50Hz kuti chiteteze ku overload short circuit komanso makina owunikira osinthira ma circuit. Mphamvu yosweka ndi 3KA.
Zinthuzo zikugwirizana ndi miyezo ya BS & NEMA.
| Nambala ya pole | Yoyesedwa panopa (A) | Voltage yoyesedwa (V) | Kuyesedwa kopanga ndi kuswa mphamvu (KA) | Kukhazikitsa kutentha kwa chitetezo | |
| BS | 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 | |||
Mukagwiritsidwa ntchito m'mabodi ogawa a crabtree ndi mayunitsi ogwiritsa ntchito, polestar ndi C50 MCB zimayikidwa pa njanji zopangidwa mwaluso kuti zikhale zosavuta kuyika. Ma MCB a polestar ndi oyeneranso kugwiritsidwa ntchito m'mapanelo opangidwa mwamakonda, komwe ayenera kuyikidwa pa njanji yokhazikika ya 35mm pamwamba pa chipewa cha BS5584:
1978 EN50022 yopereka chiwonetsero mkati mwa 70mm yokhazikika.