(1) Open-Type IP00, it provides front protection against access to the internal components of the variable frequency power supply that are not reachable by the human body.
(2) The closed-type IP20, IP21, which features an outer casing around the variable frequency power supply, is suitable for wall-mounted installation on the walls inside buildings and is applicable to most indoor installation environments. (This is a commonly used protective structure by Tongyuan.) 2x Aviation Ground Power, 1x 36V Aviation Power, 7x 400Hz Variable Frequency Power Supply, 2x 115/200V Power Supply, 5x 27V DC Power Supply, 12x 400Hz Power Supply, Aviation Power Supply
(3) Sealed IP40, IP42 ratings, suitable for industrial environments with poor conditions.
(4) The enclosed type IP54, IP55, features dust and waterproof protection structures, suitable for industrial field environments with poor conditions, such as water splashes, dust, and certain corrosive gases.
