Lus piav qhia luv luv:

M4 series molded case Circuit Breaker, nws yog siv tau rau hauv Circuit Court ntawm AC 50/60Hz, ntsuas hluav taws xob hluav taws xob 690 V (M4-125 500V), ntsuas kev khiav hauj lwm voltage AC 690V lossis qis dua, ntsuas kev khiav hauj lwm tam sim no 12.5-1600A, rau faib hluav taws xob hluav taws xob thiab tsis tshua muaj hluav taws xob ua thiab tawg Circuit Court. Lub circuitbrea kers yog muab nrog kev ua haujlwm ntawm kev tiv thaiv overload thiab luv luv Circuit Court thiab undervoltage. Lub Circuit Court breakers ua raws li tus qauv ntawm IEC60947-2.Cov Circuit Court breakers yog ob chav insulating (Nyob rau hauv m = 250A los yog saum toj no), kev tswj Circuit Court ntawm cov khoom siv yog teem sib nrug nrog lub ntsiab Circuit Court, thiab tsis tas yuav qhib lub hau ntawm lub Circuit Court breaker thaum nruab accessories.