A three phase switchboard panel designed to cooperate with two identical or similar panels in order to form with a transformer a distribution substation comprises at least one three phase, sealed bushing (3) for connection with input cables, a tripolar earth disconnecting switch, and a set of ...
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Circuit breaker system for three-phase, four-wire, delta- connected electric panels 来自 百度文库 喜欢 0 阅读量: 38 申请(专利)号: US19990246487 申请日期: 1999-02-09 公开/公告号: US6058001A 公开/公告日期: 2000-05-02 申请(专利权)人: MCCOMBER, SR.; GLENN R.;MCCOMBER; SCOTT E.发明人...
I have a supplier who would like a 3-Phase Circuit Breaker roadtested. Now, this isn't your typical thermo-magnetic, molded-case circuit breaker. It possesses an add-on module that gives it a lot of functionality and the ability to monitor ...
Or as said above, sub panels would not have a main. Actually, if you really looked at the curves, you may not want a main, but opt for a fuse as a main. Also, if you use a stepdown transformer within the building, such as a 480 to 240, you may have a breaker on the high ...
This kind of vacuum circuit breaker can be used for fixed panels(XGN2 and GGIA),it also can be equipment with truck used for varies panels such as JYN2,KYN1 and KYN49)as well as used for reconstruction for old-fashioned oil switchgear. ...