3405 타입 - Power Connector Unit. The 4590 is power connecting unit with a width only 6 mm. Features and Benefits. Slimline housing of 6 mm Supplies DIN rail from supply terminals Can pass up to 2.5 A Up to 100 units can be powered User-friendly label design Installation in ATEX Ex zone 2 / IECEx zone 2 / FM division 2 Suitable for environments with high vibration stress, e.g. ships