The GCK low-voltage drawout switchgear consists of two parts: the Power Distribution Center (PC) cabinet and the Motor Control Center (MCC) cabinet. It is suitable for use by power users such as power plants, substations, and industrial and mining enterprises in power distribution systems with AC 50Hz, a maximum operating voltage of 660V, and a maximum operating current of 3150A. It is used for energy conversion, distribution, and control of power distribution equipment for power distribution, motor control, lighting, and other applications.
Frame type
Modular assembly structure, screw-connected
Material
Section steel, 3D corner bracket positioning, weld-free – no deformation/stress, high accuracy
Modular pitch
E=20mm for all mounting holes
Finish (internal)
Galvanized
Finish (external)
Pickling + phosphating + electrostatic epoxy powder coating
Operating Conditions
Condition Requirement
Altitude ≤ 2000m
Ambient temperature -5℃ to +40℃ (24h avg. ≤ +35℃)
Relative humidity ≤ 50% @ +40℃; up to 90% @ +20℃
Installation site No fire, explosion, severe pollution, chemical corrosion, or剧烈 vibration
Inclination ≤ 5° from vertical
Transport/Storage -25℃ to +55℃ (short-term up to +70℃ for <24h)
Special conditions Consult manufacturer before ordering if limits exceeded
Main Technical Parameters
| Item | Parameter | |
| Rated Operating Frequency (Hz) | 50 | |
| Rated Operating Voltage (V) | 380, 660 | |
| Rated Insulation Voltage (V) | 660 | |
| Rated Operating Current (A) | Horizontal Busbar | 630-3150 |
| Vertical Busbar | 600 | |
| Rated Short-Time Withstand Current | Horizontal Busbar | 80kA (RMS) / 1s |
| Vertical Busbar | 50kA (RMS) / 1s | |
| Rated Peak Withstand Current | Horizontal Busbar | 176kA / 0.1s |
| Vertical Busbar | 110kA / 0.1s | |
| Main Circuit Plug-in Connector (A) | 200, 400 | |
| Auxiliary Circuit Plug-in Connector (A) | 10 | |
| Power Frequency Withstand Voltage (1 min) (V) | 2500 | |
| Protection Rating | IP40 | |
| Operation Mode | Local, Remote, Automatic | |
