Frame housing made of extruded aluminum profiles, joined together by either plastic or aluminum corners. Side panels made from galvanized sheet metal, with optional epoxy coating. Cabinet housing panels insulated to ensure low noise level. Optional access door on service side upon request.

For weatherproof version, side plates are made of aluminum and a weather-hood is available. Cabinets with belt driven fans are fitted with double inlet forward (TYZ) or backward curved (HYZ) fans. For a more detailed description of these fans, please refer to our catalogue M08. Cabinets with direct driven fans are fitted with DRS type fans with 100% speed controllable external rotor motors.