GCK low-voltage withdrawable switchgear consists of two parts: power distribution center (PC) switchgear and motor control center (MCC). It is suitable for power users such as power plants, substations, industrial and mining enterprises for AC 50Hz, with a maximum working voltage up to 660V and maximum working current up to 3150A. It is used for power distribution, motor control, lighting, and other power conversion and distribution control.

• Altitude does not exceed 2000m.
• Ambient air temperature: -50C to +40C (Average within 24h ≤ +35C).
• Atmospheric conditions: Relative humidity does not exceed 50% at +40C; higher humidity allowed at lower temperatures (e.g., 90% at lower temp).
• Installation environment: Free from explosion hazards, serious pollution, chemical corrosion, and severe vibration.
• Inclination: Not more than 5° to the vertical.
• Storage/Transportation: Suitable for -25C to +55C (Up to +70C for short periods < 24h).