I-C50 series miniature circuit breaker inosayizi omncane, isisindo esincane, isakhiwo esisha kanye nokusebenza okuhle kakhulu. Zifakwe ebhodini lokusabalalisa elikhanyisayo futhi zisetshenziswa ezindlini zezivakashi, emabhulokini amafulethi, ezakhiweni eziphakeme, ezikweleni, ezikhumulweni zezindiza, eziteshini zesitimela, ezitshalweni kanye namabhizinisi njll., kumasekethe e-AC angu-240V ipali eyodwa) kufika ku-415V (ipali ezintathu) 50Hz ukuvikela isekethe emfushane edlula ngokweqile kanye nohlelo lokukhanyisa olushintsha isekethe. Umthamo wokuphuka ungu-3KA.
Lezi zinto ziyahambisana nezindinganiso ze-BS ne-NEMA.
| Inombolo yepholi | Isilinganiso samanje (A) | I-voltage elinganisiwe (V) | Ukulinganisa ukwenza nokuphula umthamo (KA) | Izilungiselelo izinga lokushisa lokuvikela | |
| I-BS | I-NEMA | ||||
| 1P | 6,10.15 | I-AC12 | 5 | 40℃ | |
| 20,30.40 | I-AC120/240 | 3 | 5 | ||
| 50.60 | I-AC240/415 | ||||
| 2P | 6,10.15 | I-AC120/240 | 3 | 40℃ | |
| 20.30,40 | I-AC240/415 | 3 | 5 | ||
| 3P | 50,60 | I-AC240/415 | |||
Uma isetshenziswa kumabhodi okusabalalisa e-crabtree kanye namayunithi abathengi, i-polestar kanye ne-C50 MCB zifakwa kuma-rails aklanywe ngokukhethekile ukuze kube lula ukuwafaka. Ama-polestar MCB nawo afanele ukusetshenziswa kumaphaneli akhiwe ngokwezifiso, lapho kufanele afakwe khona ku-hat hat rail ejwayelekile engu-35mm kuya ku-BS5584:
1978 EN50022 enikeza ukuvela ngaphakathi kwe-70mm ejwayelekile.