XH-20 Model Low Voltage Metal Modular Kit Panel Board
2. Product Description:
   AC380V or AC660V Low Voltage Electricity Distribution Cabinet is applied in power station and industrial and mining enterprises. It is used as power distribution in the three-phase four-wire or three-phase five-wire system of alternative voltage 500V and below. AC380V or AC660V Low Voltage Electricity Distribution Cabinet is installed against the wall of indoor and is checked before the screen. The out cover is made by steel plate bended and can be used as switching power. Users can choose different model and current grade breaker according to users' demand, so it can meet various users' demand.Â
3. Model explanation:
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4. Performance features:
  (1) The main electrical parameters completely conform to regulations of IEC60439-1:1992 and GB7251.1-1997.Â
  (2) The auxiliary circuit has local, remote, automatic control and local, remote control converted functions. Contactor can be maintained by DC.
  (3) There is protection selectable of instaneous releasing and thermal magnetic releasing for electricity received main switch.Â
  (4) Infeed circuit main switch has instaneous releasing and thermal magnetic releasing protection, which can add electricity leakage protection when required by users.
  (5) Control circuit of electromotor has short-circuit instant, over load, undervoltage release and breaking phase protection.Â
  (6) Circuit of electricity received install ampere meter and voltmeter.
5. Main application:
   AC380V or AC660V  Low Voltage Electricity Distribution Cabinet is applied in industrial and mining enterprises of textile, metallurgy, chemical industry, mine, mechanical and so on. It is used in low voltage electricity distribution system of alternative current frequency 50Hz, rated voltage 380V or 660V,and three phase three wire, three phase four wire, three phase five wire of rated current up to 630A. It can be used as power and illumination distribution. Also it can be used as part control in low voltage control system at the same time.
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6. Technology parameters:
| Technology Parameters |  |  | |
| Item | Unit | Parameters | |
| Rated Working Voltage | V | AC360,AC660 | |
| Rated Frequency | Hz | 50/60 | |
| Rated Current | Horizontal bus line | A | ≤4000 |
| Vertical bus line | A | ≤1600 | |
| Rated short-time tolerant current(1s) | kA | 50 | |
| Rated peak tolerant current | kA | 105 | |
| Dielectric Strength | V/1min | 2500 | |
| Rated Insulation Voltage | V | 660 | |
| Out shell protection level |  | IP30/IP40 | |
| Shape dimension(Width×Length×Thickness) | mm | 600(800,1000)×600(800,1000)×2200 | |
7. Pictures as below:Â
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