GCS low voltage draw out switch cabinet

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GCS low voltage draw out switch cabinet






Product category: product center switch cabinet series product description: modular design, easy assembly, scalability A. application scope and purpose: GCS low voltage draw out switch cabinet (hereinafter referred to as device) is suitable for power plants, petrochemical, metallurgy, textile, high-rise building power supply and other industries, and is applied in large power plants, petrochemical and other industries with high degree of automation It is required to interface with computer as a complete set of low-voltage power distribution device for power distribution, motor centralized control, reactor current limiting and reactive power compensation in power generation and power supply system with three-phase AC 50 Hz, rated working voltage 380 V and rated current 4000 a and below. The device conforms to gb7231.1-2005 / iec60439-1:199 "low voltage switchgear and control equipment" and JB / t9661-1999 "low voltage draw out switchgear".   Service conditions: 1. The device shall work normally under the following conditions: a. the ambient air temperature shall not be higher than + 40 ℃, not lower than - 5 ℃, and the average temperature within 24 hours shall not be higher than + 35 ℃; B. Atmospheric conditions: clean air. The relative humidity is not more than 50% when the maximum temperature is 40 ℃. Higher humidity is allowed when the temperature is lower, for example, 90% when the temperature is + 20 ℃, but condensation due to temperature change is allowed; C. The altitude shall not exceed 2000m; 2. Special use condition A. if some electrical components used in the device can not meet the above working conditions, our factory shall negotiate with the user. B. When the operation condition of the device is different from the normal operation condition, it shall be solved by the user and our factory.   Structural features: 1) the main frame adopts 8MF open section steel, which is made of 2.5mm cold plate cold bending, and there are steel plates with modulus of 100 mm on the two sides of the section steel Φ 9.2mm mounting hole; 2) There are two kinds of main frames, fully assembled and partially welded; 3) Each function room of the device is strictly separated, and its compartment is mainly divided into function unit room, bus type and cable room. The function of each unit is relatively independent; 4) The horizontal bus is arranged horizontally at the back of the cabinet, so as to enhance the ability of the bus to resist the short-circuit current and make the device withstand the dynamic stable current of 176ka; 5) The cable spacing adopts the mode of up and down incoming and outgoing lines; 6) One drawer is a functional unit; 7) The drawer is divided into four size series: one half unit, one unit, two units and three units. The rated current of the circuit is 400A and below. 8) The change of drawer size is only height change, and its width and depth should not be changed at will. The drawers of functional units can be interchanged. 9) Each device can be equipped with 11 drawers of one unit or 22 drawers of half unit. 10) According to the current, the in and out wires of the drawer adopt the connectors with different number of pieces and the same specification. 11) The structure of 1 / 2 unit drawer and electricity charge room adopts back plate type adapter. 12) the connection between unit drawer and cable room adopts rod type adapter of different specifications according to current grading. 13) The drawer has obvious marks of opening, closing, testing and withdrawing. 14) The drawer unit is provided with a mechanical interlocking device.

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