For the old lines: GP-2 The KYN28-12/24 series of indoor metal-encased withdrawable switchgear (hereinafter referred to as the switch cabinet) is a complete indoor power distribution device for three-phase AC 50Hz single bus or double bus sectional systems, used for receiving and distributing network power and implementing control, protection, and monitoring of circuits, and has the functions of preventing misoperation of circuit breakers, preventing pulling out of the handcart with load, preventing energizing with grounding switches, preventing energizing from the grounding switch grounding position, and preventing entering the energized bay by mistake. This switch cabinet can be equipped with imported vacuum circuit breakers, or domestic VS1 vacuum circuit breakers. The switch cabinet can also be equipped with an integrated control and protection device, which can be networked with a computer, so as to realize microcomputer protection and monitoring of the power supply system of power plants, substations, industrial enterprises, and high-rise buildings.
Environmental Use
- Altitude: Normal type < 1000m 2. Ambient temperature: Upper limit + 45℃, lower limit – 15℃, daily average not exceeding 30℃; 3. Relative humidity: Daily average relative humidity < 95%, monthly average relative humidity < 90%; 4. Earthquake intensity: Not exceeding 8 degrees; 5. The surrounding air is not significantly contaminated by corrosive gases, flammable gases, or water vapor.