In large commercial or industrial facilities, a switchboard will receive power from an upstream circuit breaker mounted in a switchgear assembly. The switchboard frame is the metal skeleton that houses all the other components. Did you know Eaton's Power Defense molded case circuit breakers (MCCBs) fit inside our switchboards? Local electric utility companies typically have specific requirements for service entrance switchboards. Functions of Electrical Switchgear and Switchboard Systems. The main function is to distribute power,the voltage through the transformer is distributed to each power unit,used for power  and lighting distribution in the low voltage distribution system. Low-voltage and medium-voltage motor control centers, custom automation, lighting control, MCC buckets, access the line starters, ATS's, fuses, HMCP coordination and more. Each of these live parts have their own functions and purpose, which we’ll go into more detail below.

It is convenient for reasonable configuration of power supply.2. Pull structures are commonly used in service entrance switchboards. units,pneumatic fittings,tubing and etc.No.31,JiaHai Industrial Park,High-Tech Development Zone,NanChang,JiangXi,ChinaCopyright © 2012-2018 JiangXi YiKai Electric Co.,Ltd. These switchboards provide higher density and a reduced footprint while accommodating higher current rated power breakers, and they require rear accessibility to barriered cable compartments. When a fault occurs on the line, it is helpful to control the fault range and it is convenient to quickly find the fault point and eliminate it in time.3. Pull structures are commonly used in service entrance switchboards.
If required, the switchboard can be constructed to allow both front and rear access. A switchboard is divided into different interconnected sections, generally consisting of a main section and a distribution section. The primary components of a switchboard structure are the frame, bus, overcurrent protective devices, instrumentation, enclosures and exterior covers. When main switchboard is equipped with energy meters, it is possible to measure and control energy consumption. The bus distributes power from the incoming cable conductors to the branch circuit devices. Switchboards provide power downstream in the electrical system either directly to large loads or to panelboards that will further divide the power to smaller branch circuits to feed smaller loads. Switchboards provide power downstream in the electrical system either directly to large loads or to panelboards that will further divide the power to smaller branch circuits to feed smaller loads. Low-voltage and medium-voltage motor control centers, custom automation, lighting control, MCC buckets, access the line starters, ATS's, fuses, HMCP coordination and more. These should be treated with caution because exposed live parts are common on these boxes. Eaton uses cookies to help us give you the best experience on our website. If required, the switchboard can be constructed to allow both front and rear access. The switchboard has to perform this function in such a way that there is proper control of power flow and proper electrical protection against the damaging effects of faults. Rear access switchboards provide easier access for installation and maintenance, but they are typically deeper than front access only switchboards. Local electric utility companies typically have specific requirements for service entrance switchboards. The bus, which is either copper or aluminum, is mounted within this frame.

The switchgears have robust constructions, are more flexible and reliable.

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