For hygienic environments, ACS350 with UL Type 4X (IP66) protection needs no special enclosures. Available in 0.5 to 10 hp, 0.37 to 7.5 kW range, drive is designed without nesting places for bacteria; control panel operates in humid environments with plastic window for dust protection. Fan is integrated into housing. Die-cast aluminum chassis is manufactured with fiberglass-reinforced polycarbonate cover. Optional integral disconnect switch enables safe working environment for maintenance and servicing.