Ma "molded case circuit breakers" zvishandiso zvekudzivirira magetsi zvakagadzirirwa kuchengetedza circuit yemagetsi kubva kumagetsi akawandisa. Ma "current" aya akawandisa anogona kukonzerwa nekuwanda kwemagetsi kana kuti short circuit. Ma "molded case circuit breakers" anogona kushandiswa mumagetsi akasiyana-siyana uye ma "frequency" ane "depth" ne "up" muganhu wakatarwa we "trip settings" unogadziriswa. Kuwedzera kune "tripping mechanisms", ma "MCCB" anogonawo kushandiswa se "manual disconnection switches" kana paine emergency kana "maintenance operations". Ma "MCCB" akajairwa uye akaedzwa kuti aone kana paine overcurrent, voltage surge, uye fault protection" kuitira kuti ave nechokwadi chekuti anoshanda zvakachengeteka munzvimbo dzese nemashandisirwo. Anoshanda zvinobudirira se "reset switch" ye "electrical circuit" kuti abvise magetsi uye kuderedza kukuvara kunokonzerwa ne "circuit overload", "ground fault", "short circuit", kana "current" inopfuura "current limitation".
CJ: Kodhi yebhizinesi
M: Muchina wekupwanya dunhu wakaumbwa
1: Nhamba yeDhizaini
□:Yakayerwa current yefuremu
□:Kugona kuputsa kodhi/S inoratidza mhando yakajairika (S inogona kusiiwa)H inoratidza mhando yepamusoro
Cherechedza: Kune mhando ina dzedanda risina kusimba (N pole) dzechigadzirwa chezvikamu zvina. Danda risina kusimba rerudzi rweA harina chinhu chinogumbura chinodarika simba, rinogara richibatidzwa, uye haribatidzwe kana kudzima pamwe chete nedzimwe matanda matatu.
Pole isina simba remhando B haina chinhu chinodhonza magetsi chinodarika mwero, uye inobatidzwa kana kudzima pamwe chete nemamwe matanda matatu (pole isina simba rinobatidzwa risati radzimwa) Pole isina simba remhando C ine chinhu chinodhonza magetsi chinodarika mwero, uye inobatidzwa kana kudzima pamwe chete nemamwe matanda matatu (pole isina simba rinobatidzwa risati radzimwa) Pole isina simba remhando D ine chinhu chinodhonza magetsi chinodarika mwero, inogara ichibatidzwa uye haibatidzwe kana kudzima pamwe chete nemamwe matanda matatu.
| Zita rezvishongedzo | Kuburitswa kwemagetsi | Kuburitswa kwemakemikari | ||||||
| Kubata kwekubatsira, kusunungurwa kwemagetsi pasi pemagetsi, kubata kwealamu | 287 | 378 | ||||||
| Maseti maviri ekubatsira ekuonana, alarm contact | 268 | 368 | ||||||
| Kuburitswa kweshunt, kubata alarm, kubata kwekubatsira | 238 | 348 | ||||||
| Pasi pemagetsi kusunungurwa, alarm contact | 248 | 338 | ||||||
| Alarm yekubatsira yekubata | 228 | 328 | ||||||
| Kubata alarm yekusunungura shunt | 218 | 318 | ||||||
| Kusunungurwa kwekubatsira kwepasi pemagetsi | 270 | 370 | ||||||
| Maseti maviri ekubatsira ekuonana | 260 | 360 | ||||||
| Kusunungurwa kweShunt pasi pevoltage | 250 | 350 | ||||||
| Kubatana kwekubatsira kweShunt kusunungurwa | 240 | 340 | ||||||
| Kusunungurwa kwepasi pemagetsi | 230 | 330 | ||||||
| Kubata kwekubatsira | 220 | 320 | ||||||
| Kusunungurwa kweShunt | 210 | 310 | ||||||
| Kubata alarm | 208 | 308 | ||||||
| Hapana chishongedzo | 200 | 300 | ||||||