What are the DifferenceS between Gas Insulated Enclosed Metal Switchgear and Ordinary Distribution Cabinets?

The essential difference between gas insulated enclosed metal switchgear and ordinary distribution cabinets stems from the systematic reconstruction of insulation medium selection and space layout strategy. Gas insulated enclosed metal switchgear uses inert gas to fill the sealed cavity to replace the dielectric effect of air, and builds an equipotential environment through the metal shielding layer to achieve the dual goals of dense component arrangement and arc suppression. Ordinary distribution cabinets rely on air spacing and solid insulation to establish electrical isolation, and open frame structures require safe operation space.

The difference in operating reliability is reflected in the environmental tolerance dimension. The fully enclosed design of gas insulated enclosed metal switchgear avoids the risk of creepage caused by dust deposition and moisture condensation, and the electromagnetic shielding characteristics of the metal shell reduce the probability of external interference penetration. Ordinary distribution cabinets rely on ventilation and heat dissipation and regular cleaning to maintain performance, and contact oxidation problems require manual intervention. In the fault response mechanism, the gas insulated enclosed metal switchgear senses internal abnormalities in real time through pressure monitoring, while ordinary cabinets rely on temperature sensors and visual inspections to detect signs of overheating.

The maintenance logic is divided in the life cycle management method. The modular design of the gas insulated enclosed metal switchgear supports the overall replacement of the faulty unit, but the gas recovery and refilling process requires professional equipment support. Ordinary distribution cabinets allow on-site disassembly and maintenance, and the cost of component replacement is inversely related to the time cost.