IP54 DC EV Charger for Harsh Environments This unit combines IP54 ingress protection with a fully sealed sheet metal cabinet and an operating temperature range of -40°C to +60°C . The design is validated for coastal salt spray zones, dusty industrial areas and high humidity tropical regions, where conventional open frame chargers suffer from corrosion, dust ingress and condensation. Sealed Sheet Metal Cabinet Construction The cabinet is formed from galvanized sheet steel with