雙電源配電箱是按照電氣接線的要求將開關(guān)設(shè)備、測量儀表、保護(hù)電器和輔助設(shè)備，組裝在封閉或是半封閉的金屬柜中或者屏幅上，構(gòu)成雙電源配電箱。在正常運(yùn)行的時(shí)候可以借助手動(dòng)或是自動(dòng)開關(guān)接通/分?jǐn)嚯娐?。在發(fā)生故障的時(shí)候或是在不正常運(yùn)行的時(shí)候，借助保護(hù)電器切斷電路或是報(bào)警。借助測量儀表能夠顯示運(yùn)行中的各種參數(shù)，還可以對某些電氣參數(shù)進(jìn)行調(diào)整，對正在或是已經(jīng)偏離正常工作狀態(tài)的時(shí)候進(jìn)行提示或發(fā)出信號(hào)。

The dual power distribution box is composed of switch equipment, measuring instrument, protective appliance and auxiliary equipment according to the requirements of electrical wiring, which are assembled in closed or semi closed metal cabinet or on the screen, and form a double power distribution box. During normal operation, the circuit can be switched on or broken by manual or automatic switch. In case of malfunction or abnormal operation, cut off the circuit or alarm by means of protective device. The instruments can display various parameters in the operation, and some electrical parameters can be adjusted to prompt or signal when they are already deviating from the normal working state.