The utility model relates to an electrical equipment, concretely relates to electric equipment cabinet. At present sealed dustproof and the fan of regulator cubicle are aired exhaust the heat dissipation and are had contradiction. The utility model discloses a sealing doors detains and form a seal chamber on the rack cabinet body, and can stop the dust and get into, the sealed rack of relative with present non -, the utility model discloses has dustproof effect, the utility model discloses internal layout has condenser tube, plays and carries out cooling's effect to rack inside, and for the mode of present fan cooling, the effect of water -cooling cooling is better, adopts the cooling of water -cooling pipeline can overcome the unable sealed problem of rack that fan air exhaust method results in simultaneously.