IP6X (Level 6): Dust-tight—absolute protection against fine powders and particles. Essential for quarries or heavy industrial zones where dust concentration hits 50mg/m³ or higher. The type and settings of protective devices shall be so selected that they can grade properly with HK Electric infeed protection. The customer shall provide Time-Current. The truth is, picking the right protection level for distribution boxes isn't just about compliance paperwork—it's about real-world reliability when it matters most. Distribution boxes protect our electrical systems like bodyguards shield VIPs. When they fail, everything goes dark. Today, we'll. GCS device is suitable for power distribution system in power plant, petroleum, chemical metallurgy textile, high-rise building and other industries. it's three phase AC 50 ( 60) Hz low-voltage complete set of distribution device with rated operating voltage of 380V ( 400V), ( 600V) and rated. When specifying electrical distribution equipment for industrial facilities, power plants, or commercial buildings, you'll encounter various low-voltage switchgear designations such as GGD, GCK, GCS, MNS, and XL-21. They vary in terms of materials, including metal and flame-retardant plastic; installation methods, such as vertical, hanging, concealed, or exposed installations; and voltage levels, including 380V and 220V.