Cable input: Top and bottom have dust-tight brush panels Ventilation: Passive – convection heat flow due to perforation of front and rear doors Active – Temperature Control System with 4 fans (all models) IP protection: IP41: glass/perforated sash Capacity: Static load not exceeding 1600 lb. Material: Rolled steel profile Frame thickness:1.2 mm; 19” profiles 2mm; side panels:1.0 mm; other components parts:1.2 mm Coating: Powder paint with degreasing and anticorrosive phosphate Color: Black: RAL9005 Supplied non assembled in 4 packages.