GCK Low-voltage Withdrawable Switchgear
GCK Low-voltage Withdrawable Switchgear
OverviewThe GCK series switchgear consists of a power distribution center (PC) cabinet and a motor control center (MCC) cabinet. Applicable to power users such as power plants, substations, industrial and mining enterprises, etc. as a power distribution system with 50 Hz AC, maximum working voltage to 660V, and maximum working current to 3150A, as power conversion for power distribution, motor control and lighting. For distribution control purposes. The product has high breaking capacity, good dynamic thermal stability, advanced and reasonable structure, practical and practical electrical scheme, strong series and versatility, and any combination of various scheme units. The cabinets contain more circuits and save land. The area, the appearance is beautiful, the protection level is high, the safety is reliable, and the maintenance is convenient.Product StandardsThe product complies with IEC60439 standard, and also meets the national standard GB7251-87 "Low-voltage switchgear" and ZBK36001-89 "Low-voltage withdrawable switchgear" standard.Product model and its meaning
The main technical parameters
Structural featuresThe basic cabinets of GCK and GCL are assembled and assembled. All the structural parts of the cabinets are galvanized and spray-coated. They are connected to each other by screw fastening to form a basic cabinet frame. Then, as required, doors, baffles and partitions are added. The drawers, mounting brackets, and busbars and electrical components are assembled into a complete control center cabinet. The cabinet structure has the following features.Cabinet
The frame is made of special-shaped steel, which is positioned by gussets and bolted with no welded structure.
Structural characteristics
To ensure the normal operation of the line. Effectively prevent the fault from expanding. When the electrical components are pulled out of the cabinet, the charged body in the cabinet is not exposed. For the user, the use is safer and more reliable. For the feeder cabinet. The cabinet is 600mm wide. Up to 9 or 18 feed circuits can be installed. (18 feeder circuits are only suitable for load units with capacities below 63A)
■ shape and installation size
■Normal use of environmental conditionsThe altitude should not exceed 2000m. The ambient air temperature is not higher than +409C, and the average temperature is not higher than +35 °C within 24h, and the ambient air temperature is not lower than -5 °C. Atmospheric conditions: air is clean, relative humidity does not exceed 50% at +40 °C, and higher relative humidity is allowed at lower temperatures. For example, 90% at +20 °C, no fire, explosion hazard, serious A place where pollution, chemical corrosion and severe vibrations occur. It is inclined no more than 5° from the vertical plane. The control center is adapted to the following temperature transport and storage processes, -25 ° C - +55 ° C, in a short time (not more than 24 h) does not exceed +70 ° C. If the above conditions of use cannot be met, the user shall submit it to our company at the time of ordering and resolve it by negotiation. The installation of the GCK series switchgear is not vertically installed on the wall, and the rear is the outlet cable trench of the cabinet. For maintenance, the rear wall is usually 1000-1200mm.
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