GGD Niederspannungs-Switch Board

General Description: GGD Alternating Current Low Voltage Switch Board is suitable for alternating current 50Hz, nominal working voltage 380V, rated working current 3,150A of power station, Electric substation, industrial and mining establishment. It is used for electric Energy transfer, distributing and control of power, lighting and distributing Facility. Structure And Character: GGD alternating current low pressure switchbox made from "FA28" Type material or "C" Type low-alloy channel steel, which has high breaking capacity, good hot Stability, electric project agility, easy assembly, strong practicability, attractive Frame, high degree of protection. It conforms to GB7251-97 and IEC439-1 Standards. Description Specifciations Main Circuit Nominal Insulation Voltage 500V Main Circuit Nominal Voltage AC 380V Auxillary Circuit Nominal Voltage AC 220V, 380V; DC110V, 220V Rated Frequency 50(60)Hz Rated Current-Main Bus (Main Bus)≤31500V Nominal Short time withstand Current (0.1S) 50kA Nominal Peak Withstand Current (0.1S) 105kA Power Frequency Test Voltage Main Circuit: 2500V/Main; Auxillary Circuit:1760V/Min Protection Category IP30, IP40