Sell Intelligent AC Low Voltage Assembly Equipment
Product Origin:China
Brand Name:Tellhow
Price Terms:
Payment Terms:
Certification:CCC
Description:General introduction: 1) This type of product applies to all levels power network with AC 50Hz, rated working voltage 660V and below ,rated current up to 4000A, it can also be used for motor control center, reactive power compensation, main distribution device and secondary distribution device 2) This product is fully according to the standard: GB7251.1-1997, low complete switch plants and control plants, part one: type test and part type test complete plants Characteristics: 1) Frame adopts assembly structure of AL-Zn-plate C-marterial and corner connector 2) Corner connector can make installation of frame rapid and break effectively magnetic circuit 3) Frame and function unit adopt modulor structure to make configuration and combination flexible 4) Make withdrawable units' protecting degree on connecting site, disconnecting site and test site changeless 5) All drawers have the function. Of preventing from error-operation 6) Function units' connecting is withdrawable. 7) Key components as girder, drawer, partition adopt AL-Zn-plate, enhancing these proof-corrosive ability and mechanical intensity 8) Communication system of intelligent switchgear adopts opening PROFIBUS busbar. make up of whole intelligent system with the same protocol domestic components, to achieve distantly measure, accommodate, control and communicate switches and power network by busbar Normal ambient conditions 1) Ambient air temperature is below +40°C and above -5°C, 24h average temperature is below +35°C 2) Air clearing, its relative humidity is not above 50%, when max. temperature is above +40°C, allow bigger relative humidity on lower temperature 3) The degree of pollution is 3 4) An site altitude of installing location is below 2000m Major technical parameters: 1) Rated voltage: a) Main circuit Ue: 380V, 660V b) Auxiliary circuit Ue: AC220V, 380V, DC24V c) Rated insulation voltage (Ui): 800V d) Rated impulse withstand voltage (Uimp): 8,000V e) Rated power-frequency withstand voltage (1min): 3,000V 2) Rated current: horizontal busbar: 2,000A, 2,500A, 3,150A, 4,000A; vertical busbar: 1,000A 3) Rated short-time withstand current: horizontal busbar: 100kA; vertical busbar: 65kA 4) Rated peak withstand current: horizontal busbar: 220kA; vertical busbar: 143kA 5) Degree of protection: IP30, IP40
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